Where does “حسینی” come from?

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

Ancestry of “حسینی”, step by step

حسینی traces back through two 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 Persian حسین

StepLanguageWordMeaning
1PersianحسینHusayn, a son of Ali and brother of Hasan; a martyr, and Shi'a Imam
2Arabicحُسَيْن—
3Arabicسwill
4Arabicسَوْفَ{{qualifier|future tense marker}}

Words derived from “حسینی”

Every word from Proto-Indo-European -ḱos →Every word from Middle Persian -yk' →Every word from Persian ـی →