What is the meaning of ـی?

Arabic spelling of -î

3rd-person possessive suffix

Form of the ezafe particle ـِ for words ending in the vowels ـا (-â) and ـو (-u, -o).

Forms adjectives (often nominalizable ones) from nouns.

Forms abstract nouns, including names of professions or offices, from adjectives, occupational nouns, or titles.

a, one; marks a noun phrase as indefinite or non-specific, especially in the literary language

marks the antecedent of a restrictive relative clause as definite

Forms adjectives (often nominalizable ones) from nouns.

1. of or pertaining to

   of or pertaining to

   from or belonging to

   able to, capable of being, deserved to be, determined to, and/or destined to

   surnames (derived from previous senses)

   Forms abstract nouns, including names of professions or offices, from adjectives, occupational nouns, or titles.

   1. forms abstract nouns, from adjectives

      forms abstract nouns, from adjectives

      forms the name of a profession, and the place where it is practiced, from an occupational noun

      forms the name of an office, from a title

      alternative form of ـِ (i / e, ezâfe particle)

      relating to, forms adjectives from nouns

      doer, possessor

      forms abstract nouns from adjectives or common nouns

      Source: wiktionary.org