اثنا عشر
Masculine: ITH-nah AH-shar (the 'th' as in 'this', emphasis on first syllable of each word). Feminine: ITH-nah-tah ash-RAH (with a 'ta' sound at the end of the first word, emphasis on second syllable of 'ashrah'). The 'ع' in عشر is a pharyngeal sound from the throat with no English equivalent.
The number 12 in Arabic is written as "اثنا عشر" (ithna ashar) for masculine nouns and "اثنتا عشر" (ithnata ashar) for feminine nouns. As a compound number in the teens (11-19), it consists of two parts: the ones digit (اثنا/اثنتا meaning "two") followed by عشر/عشرة (meaning "ten"). This number follows unique grammatical rules as part of the special category of Arabic compound numbers.
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The number 12 exhibits compound number grammar where both parts must agree in gender with the counted noun, but in opposite ways. The first part (اثنا/اثنتا) matches the gender of the noun (اثنا for masculine, اثنتا for feminine), while the second part (عشر/عشرة) takes the opposite gender (عشر for masculine nouns, عشرة for feminine nouns). The counted noun always appears in the singular form and takes the accusative case (منصوب) with tanween, marked by fatḥatayn (ً). In the construct state (إضافة), both parts of 12 can change: اثنا عشر becomes اثني عشر for masculine in non-nominative cases, and اثنتا عشرة becomes اثنتي عشرة for feminine in non-nominative cases. When used as an ordinal number (twelfth), it becomes الثاني عشر (masculine) or الثانية عشرة (feminine), and both parts take the definite article and agree with the noun's gender normally.
The number 12 holds significant religious importance in Islamic tradition, most notably as the number of months in the Islamic lunar calendar (الأشهر الاثنا عشر). The Quran specifically mentions in Surah At-Tawbah (9:36) that "Indeed, the number of months with Allah is twelve months," establishing this as a divinely ordained structure. Additionally, twelve has historical significance as the number of Imams in Shia Islam and appears in various Islamic contexts including the twelve springs that gushed forth for the twelve tribes of Israel as mentioned in the Quran.
In Arabic, the number 12 is one of only two teen numbers (along with 11) where the first component explicitly shows duality from the root "ث-ن-ي" (th-n-y) meaning "two" or "second." The word عشر (ashar) comes from the root "ع-ش-ر" (ayn-shin-ra) which gives us عشرة (ten) and عشيرة (tribe/clan of about ten families). Interestingly, when Arabs tell time using the twelve-hour clock, they must use the ordinal form, so "twelve o'clock" becomes "the twelfth hour" (الساعة الثانية عشرة), making it one of the most commonly spoken compound numbers in daily conversation.
The number 12 in Arabic, written as اثنا عشر (ithna ashar) for masculine nouns and اثنتا عشرة (ithnata ashrata) for feminine nouns, is a compound number that follows unique grammatical patterns. As part of the teen numbers (11-19), it presents special challenges for Arabic learners due to its complex gender agreement rules and case variations.
The Arabic number 12 consists of two distinct parts. The first part, اثنا (ithna) or اثنتا (ithnata), means "two" and derives from the root letters ث-ن-ي. The second part, عشر (ashar) or عشرة (ashrata), means "ten" and comes from the root ع-ش-ر. Together, they literally mean "two-ten," similar to English "twelve."
For masculine nouns, pronounce it as "ITH-nah AH-shar," where the 'th' sound is soft as in "this." For feminine nouns, say "ITH-nah-tah ash-RAH," adding the feminine marker 'ta' to the first component and using the feminine form of "ten" in the second component.
The number 12 demonstrates one of Arabic's most intricate grammatical features: polar gender agreement. Unlike simple numbers, compound teen numbers require dual agreement patterns. The first part (اثنا/اثنتا) must match the gender of the counted noun directly—use اثنا with masculine nouns and اثنتا with feminine nouns. However, the second part (عشر/عشرة) follows reverse polarity: use عشر (without the ة) with masculine nouns and عشرة (with the ة) with feminine nouns.
For example:
When using 12 in Arabic, the counted noun always appears in its singular form, never plural. This differs from English where we say "twelve books" (plural). In Arabic, you say the equivalent of "twelve book." Furthermore, the noun takes the accusative case (منصوب), typically indicated by the tanween fatḥah (ً) at the end.
Example: اثنا عشر طالباً (ithna ashar taliban) - twelve students, where طالباً is singular and accusative.
The number 12 changes form based on its grammatical case in a sentence. In the nominative case (subject position), use اثنا عشر for masculine. However, in the genitive (after prepositions) and accusative cases, the first part changes to اثني عشر. For feminine nouns, اثنتا عشرة becomes اثنتي عشرة in non-nominative cases.
Example with preposition: مع اثني عشر رجلاً (ma'a ithni ashara rajulan) - with twelve men.
When expressing "twelfth" rather than "twelve," Arabic uses الثاني عشر (ath-thani ashar) for masculine and الثانية عشرة (ath-thaniyah ashrata) for feminine. Both components take the definite article (ال), and the gender agreement follows normal patterns rather than polar agreement. This form is essential for telling time, as "twelve o'clock" is الساعة الثانية عشرة (literally "the twelfth hour").
The number 12 holds profound importance in Islamic culture. The Quran explicitly states in Surah At-Tawbah (9:36): "Indeed, the number of months with Allah is twelve months in the register of Allah." This establishes the twelve-month lunar calendar (الأشهر الاثنا عشر) as a divine ordinance. The Islamic year consists of twelve months: Muharram, Safar, Rabi' al-Awwal, Rabi' al-Thani, Jumada al-Awwal, Jumada al-Thani, Rajab, Sha'ban, Ramadan, Shawwal, Dhu al-Qi'dah, and Dhu al-Hijjah.
Additionally, the number appears in historical Islamic contexts, such as the Twelve Imams revered in Shia Islam, and in Quranic stories referencing the twelve tribes of Israel and the twelve springs that appeared for them.
In everyday situations, Arabic speakers use 12 frequently when discussing time (twelve o'clock), age (twelve years old - اثنتا عشرة سنة), quantities in commerce, and educational grades. The twelve-hour clock system requires the ordinal form, making الساعة الثانية عشرة one of the most commonly heard uses of this number.
To master the number 12 in Arabic, practice the gender agreement pattern separately: first memorize which form goes with masculine nouns (اثنا عشر) and which with feminine (اثنتا عشرة). Remember that the counted noun stays singular and takes accusative case. Start with simple, common nouns before progressing to more complex sentences involving case changes. Regular practice with both cardinal (twelve) and ordinal (twelfth) forms will build confidence in using this essential Arabic number.