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تسعون
Pronounced 'TIS-oon' with emphasis on the first syllable. The 'T' is a emphatic alveolar stop (ت, ta), the 'i' is a short vowel similar to 'i' in 'sit', the 's' is a standard 's' sound, and the final '-oon' rhymes with 'moon'. In slower speech, some speakers may pronounce it closer to 'tis-AH-oon' with the vowels more distinct.
تسعون (tis'un) is the Arabic number for 90, written as a tens number using the standard decimal system. It is an invariable masculine plural noun that does not change form based on the gender of the noun it modifies, and it is used in both formal and colloquial Arabic contexts.
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تسعون is a tens number (plural form of عشرة, ashara, meaning ten) and follows specific grammar rules. It is invariable, meaning it does not change to agree with the gender of the noun it precedes—both masculine and feminine nouns take the same form تسعون without modification. When used with a noun, the noun typically follows in the accusative case (منصوب, mansub) in the singular form when expressing quantity, as in تسعون رجلاً (tis'un rajulan, 'ninety men'). However, in modern Standard Arabic and colloquial usage, تسعون can also be followed by a plural noun in the genitive case (مضاف إليه, mudaf ilayh), such as تسعون من الطلاب (tis'un min al-tullab, 'ninety of the students'). When تسعون appears in a sentence without a noun immediately following, it functions as a complete number noun and may take case endings depending on its syntactic position in the sentence (nominative, accusative, or genitive).
The number 90 holds particular significance in Islamic tradition and Arabic culture. In Islamic numerology and hadith studies, the number 90 and its multiples are referenced in various religious texts and scholarly works. Additionally, 90 frequently appears in daily life across Arabic-speaking countries in contexts such as age milestones, historical dates, and business transactions, making it a commonly encountered number in both religious and secular discourse.
The word تسعون derives from the root ع-ش-ر ('-sh-r), which relates to the concept of tens and groups of ten. In Arabic mathematical tradition, the number 90 represents the second-to-last digit in the base-10 counting system before reaching 100 (مائة, mi'a), and it was fundamental to early Islamic scholars' development of advanced mathematical and astronomical calculations. Interestingly, in some Arabic dialects, the pronunciation and usage of 90 may vary slightly, but تسعون remains the standard Classical and Modern Standard Arabic form.
The number 90 in Arabic is written as تسعون and is transliterated as tis'un in English. This number is part of the tens category in Arabic numerals and represents a fundamental quantity used in everyday communication, academic discourse, and cultural contexts throughout the Arab world. Understanding how to use تسعون correctly is essential for English speakers learning Arabic, as tens numbers follow specific grammatical patterns that differ from how numbers are counted in English.
The correct pronunciation of تسعون is 'TIS-oon' with stress on the first syllable. Breaking down the sound:
When speaking in context, native speakers typically pronounce تسعون clearly but may blend it smoothly with following words due to Arabic's connected speech patterns.
The number 90 follows the grammatical rules applicable to all Arabic tens numbers (20, 30, 40, etc.), which differ significantly from single-digit number rules. Here are the key grammatical points:
Invariability: تسعون is an invariable number, meaning it does not change form based on the gender of the noun it precedes. Whether you are counting masculine or feminine nouns, the form remains تسعون.
Noun Agreement: When تسعون precedes a noun, that noun typically appears in the accusative case (منصوب, mansub) and in the singular form. For example:
Alternative Construction: In Modern Standard Arabic and many dialects, تسعون can be followed by the preposition من (min, 'of') and then a plural noun in the genitive case (مضاف إليه, mudaf ilayh):
Case Endings in Sentences: When تسعون appears independently in a sentence (without a following noun), it takes case endings based on its syntactic role:
This dual ending system (تسعون in nominative, تسعين in accusative/genitive) applies to all tens numbers in Arabic.
Telling Time or Duration:
Describing Age or Quantities:
Counting in Sequences:
Mathematical or Statistical Contexts:
The number 90 appears throughout Islamic and Arabic cultural traditions. In Islamic scholarship, numbers are sometimes imbued with special significance, and 90 is no exception. The phrase 'نسعون سنة' (tis'un sana, 'ninety years') appears in various Islamic texts and hadiths, often referring to significant historical or religious events. Additionally, 90 is commonly used in modern Arabic contexts for:
Understanding how to correctly use تسعون demonstrates cultural competence and fluency in practical, everyday Arabic communication.
English speakers learning Arabic often make predictable errors with تسعون:
Gender Agreement: Attempting to change تسعون based on noun gender (e.g., تسعونة for feminine), which is incorrect. Tens numbers never change form.
Dual Endings: Forgetting that تسعون has accusative/genitive forms (تسعين), especially when the number appears independently in a sentence without a following noun.
Noun Case: Using plural nouns instead of singular after تسعون without the preposition من, which violates Classical Arabic grammar rules (though this is increasingly common in colloquial speech).
To build fluency with tens numbers, learners should also master:
All of these follow the same grammatical patterns as تسعون, making them relatively straightforward once you master the rules for 90.
The Arabic number 90 (تسعون, tis'un) is an essential quantity word for learners at all levels. By understanding its pronunciation, grammar rules, case endings, and cultural usage, you'll significantly improve your ability to communicate numbers, quantities, ages, and measurements in Arabic. Practice using تسعون in context with both masculine and feminine nouns, and pay attention to its accusative form (تسعين) when it appears independently in sentences. With regular practice, using this number will become natural and intuitive.