Where does “Lytvin” come from?

Lytvin (English) comes from Ukrainian литвин, from Ukrainian -ин, from Old East Slavic -инъ, from Proto-Slavic -inъ, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Lytvin”, step by step

StepLanguageWordMeaning
1UkrainianлитвинLithuanians'
2Ukrainian-инadded to feminine nouns to form possessive adjectives, akin to English -'s
3Old East Slavic-инъ
4Proto-Slavic-inъ-ine; Creates singulatives, mostly with...
5Proto-Indo-European-iHnosCreates adjectives of materials
6Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no-Every word from Ukrainian -инEvery word from Proto-Indo-European -iHnos