Abu (Arabic term)

Ab or Av (ʾĀḇ; related to Akkadian abu), sometimes Aba or Abba, means "father" in most Semitic languages.

Ab (), from a theoretical, abstract form ʼabawun (triliteral ʼ-b-w) is Arabic for "father". The dual is ʼabawāni or ʼabāni "two fathers" or "mother and father" (ʼābāʼi-ka meaning "thy parents").

Li-llāhi ʼabū-ka is an expression of praise, meaning "to God is attributable [the excellence of] your father".

As a verb, ʼ-b-w means "to become [as] a father to [somebody]" (ʼabawtu) or "to adopt [him] as a father" (ta'abbā-hu or ista'bā-hu).

In the construct state, Abū () is followed by another word to form a complete name, e.g.: Abu Mazen, another name for Mahmoud Abbas.

Abu may be used as a kunya, an honorific. To refer to a man by his fatherhood (of male offspring) is polite, so that ʼabū takes the function of an honorific. Even a man that is as yet childless may still be known as abū of his father's name, implying that he will yet have a son called after his father.

The combination is extended beyond the literal sense: a man may be described as acting as a father in his relation to animals, e.g., Abu Bakr, "the father of a camel's foal"; Abu Huraira, "father of kittens". In some cases, a man's enemies will refer to him in such a way to besmirch him, e.g. Abu Jahl, "the father of ignorance". A man may be described as being the possessor of some quality, as Abu'l Na'ama "father of grace", or "the graceful one"; Abu'l Fida, "father of devotion", or "the devout one". An object or a place may be given a nickname, such as Abu'l hawl, "father of terror", (the Sphinx at Giza). Abu'l fulus, "father of money", is frequently used to refer to a place where rumors have been told of a treasure being hidden there.

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