From Wiktionary, the free dictionary
◌ُ • (u )
ḍamma – ضَمَّة ( ḍamma ) – indicates a short /u/ or its cognates, indicates a long /uː/ if followed by a و ( wāw ) .
ـُ • (-u )
Forms the nominative determinative inflections of nouns .
اَلْـ ( al- , “ the ” ) + كِتَاب ( kitāb , “ book ” , informal ) + ـُ ( -u ) → اَلْكِتَابُ ( al-kitābu , “ the book ” , nominative )
بَيْت ( bayt , “ house ” , informal ) + ـُ ( -u ) → بَيْتُ ( baytu , “ house (of) ” , construct )
Forms the indicative mood of present-tense verbs .
يَقُول ( yaqūl , “ he says ” , informal ) + ـُ ( -u ) → يَقُولُ ( yaqūlu , “ he says ” , indicative )
Noun cases and verb moods are only used in formal language, otherwise, the bare stem is used instead.
It is elided after long vowels.
دُنْيَا ( dunyā , “ world ” ) + ـُ ( -u ) → دُنْيَا ( dunyā , “ world (of) ” )
Arabic noun case markers
ـُ ( -u ) , ـٌ ( -un ) ( nominative singular )
ـًا ( -an ) , ـَ ( -a ) ( accusative singular )
ـٍ ( -in ) , ـِ ( -i ) ( genitive singular )
ـُونَ ( -ūna ) , ـُو ( -ū ) ( nominative plural )
ـِينَ ( -īna ) , ـِي ( -ī ) ( oblique plural )
Arabic verb mood markers
ـُ ( -u ) ( indicative singular )
ـَ ( -a ) ( subjunctive singular )
ـْ ( jussive singular )
ـِينَ ( -īna ) ( indicative feminine )
ـِي ( -ī ) ( non-indicative feminine )
ـُونَ ( -ūna ) ( indicative plural )
ـُوا ( -ū ) ( non-indicative plural )
◌ُ • (u )
a vowel sign of Kashmiri .
ـُ • (u / o )
a vowel diacritic in Persian, named ضمه ( zamma / zamme ) or پیش ( pēš / piš ) .
As all vowels in Persian, it must be paired to a consonant and can never appear alone. The letter ا (alif / alef) may act as a silent consonant if one is needed.
Schools in Iran tend to use the name ضمه ( zamma / zamme ) , whereas schools in Afghanistan tend to use the name پیش ( pēš / piš ) .
Arabic script letters : حروف ( hurūf / horuf ) (script appendix ): ا , ب , پ , ت , ث , ج , چ , ح , خ , د , ذ , ر , ز , ژ , س , ش , ص , ض , ط , ظ , ع , غ , ف , ق , ک , گ , ل , م , ن , و , ه , ی [edit ]