Where does “ἐσώτερος” come from?

ἐσώτερος (Ancient Greek) comes from Ancient Greek -τερος, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

Ancestry of “ἐσώτερος”, step by step

StepLanguageWordMeaning
1Ancient Greek-τεροςUsed on adjectives that express some notion of...
2Proto-Indo-European-terosContrastive or oppositional adjectival suffix

Words derived from “ἐσώτερος

Every word from Proto-Indo-European -terosEvery word from Ancient Greek -τερος