Where does “-i” come from?

-i (English) comes from Persian ـی, from Middle Persian -yk', from Old Persian -𐎡𐎣, from Proto-Indo-Iranian -kas, from Proto-Indo-European -ḱos — -y, -ic.

-i (English): Used to form adjectives and nouns describing...

Definitions

  1. Used to form adjectives and nouns describing...

Ancestry of “-i”, step by step

-i traces back through 3 separate lines of ancestry.

via Persian ـی

StepLanguageWordMeaning
1PersianـیForms nouns or adjectives from nouns; Forms...
2Middle Persian-yk'
3Old Persian-𐎡𐎣of, pertaining to, belonging to, related to
4Proto-Indo-Iranian-kasCreates deadjectival and desubstantival...
5Proto-Indo-European-ḱos-y, -ic

via Urdu ـی

StepLanguageWordMeaning
1Urduـیrelating to, forms adjectives from nouns
2Sanskrit-इन्possessing, showing possession, doer
3Proto-Indo-European-iHnosCreates adjectives of materials
4Proto-Indo-European-no-adjectival suffix

via Hebrew ־י

StepLanguageWordMeaning
1Hebrew־יUsed in adjectives with the meaning “related to”;...

Words derived from “-i

Every word from Proto-Indo-European -ḱos