Meaning of -I in English

-I

-i /-i/ AmE ( plural -is ) suffix

1 . [in nouns] a person from a particular country or place, or their language:

two Pakistanis

speakers of Hindi

2 . [in adjectives] of a particular place or country:

Bengali food

the Israeli army

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.