English

The idafa: whose it is — possession without a preposition

Possession is built here with no preposition at all: two nouns simply stand side by side. "Bayt al-jadd" — the house of the grandfather. The English "of" and "'s" are not needed — the pair holds by itself. For example: “بيت الجد كبير” — The grandfather's house is big. A rule from the Arabic course: worked out on examples, not memorized as a wording.

Updated September 1, 2026 · Lingofly

How it works

Possession is built here with no preposition at all: two nouns simply stand side by side. "Bayt al-jadd" — the house of the grandfather. The English "of" and "'s" are not needed — the pair holds by itself.

The second word defines the first, so the article lives only on it: "kitaab al-waalid" — the father's book. Put the article on the first and the sense falls apart: it is the article that shows whose is what.

The idafa dislikes middlemen: a feature cannot be slipped between the pair. "The big house of the grandfather" is assembled differently — "al-bayt al-kabiir li-l-jadd" — and there the "li-" appears.

And possession by a person glues on as an ending: "akhii" — my brother, "akhuk" — your brother, "akhuuhu" — his brother. You have already carried these endings: "zamiilii" — my colleague. The idafa is the same possession, only between two things.

Table

The idafa: whose it is — possession without a preposition
whoendingexample
Iـي — -iiأخي — akhii (my brother)
you (m.)ـك — -kaأخوك — akhuk (your brother)
heـه — -huأخوه — akhuuhu (his brother)
sheـها — -haaأختها — ukhtuhaa (her sister)
weـنا — -naaوالداننا — waalidaanunaa (our parents)
theyـهم — -humأطفالهم — atfaaluhum (their children)

By example

  • بيت الجد كبير
    бейт аль-джадд кябир
    The grandfather's house is big
  • كتاب الوالدين هنا
    китааб аль-ваалидейн хуна
    The parents' book is here
  • غرفة الأم صغيرة
    гурфат аль-умм сагиира
    The mother's room is small

How the rule settles in your head

A rule is not memorized from an explanation. It is memorized from an attempt to use it and a mistake — that is why the app delivers it mixed in with words, not as a separate lesson: it resurfaces exactly where you forgot it.

Frequently asked

The idafa: how does it work in Arabic?

Possession is built here with no preposition at all: two nouns simply stand side by side. "Bayt al-jadd" — the house of the grandfather. The English "of" and "'s" are not needed — the pair holds by itself.

What does it look like in a Arabic example sentence?

“بيت الجد كبير” (бейт аль-джадд кябир) — The grandfather's house is big. A rule is easier to test on sentences like this than to memorize as a wording: what surfaces in conversation is the sentence.

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