Where does “-їна́” come from?
-їна́ (Ukrainian) comes from Ukrainian -ї́н, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.
-їна́ (Ukrainian) comes from Ukrainian -ї́н, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.