Where does “barbarian” come from?

barbarian (Middle English) comes from Medieval Latin barbarinus, from Latin barbaria, from Latin -ia, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “barbarian”, step by step

StepLanguageWordMeaning
1Medieval LatinbarbarinusBerber, pagan, Saracen, barbarian
2Latinbarbariaforeign country; barbarity, barbarism; brutality
3Latin-iaUsed to form a feminine abstract noun, usually...
4Latin-iusforming adjectives from nouns; nominative neuter...
5Proto-Italic-jōsForms comparative adjectives
6Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “barbarian

Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius