Where does “interior” come from?

interior (Portuguese) comes from Latin interior, from Latin interus, from Proto-Indo-European h₁énteros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

interior (Portuguese): inner; interior; interior; inside; country;...

Definitions

  1. inner; interior; interior; inside; country;...

Ancestry of “interior”, step by step

StepLanguageWordMeaning
1Latininteriorinner, interior; nearer
2Latininterus
3Proto-Indo-Europeanh₁énterosinside, within
4Proto-Indo-European-terosContrastive or oppositional adjectival suffix

Words derived from “interior

Every word from Proto-Indo-European -terosEvery word from Proto-Indo-European h₁énterosEvery word from Latin interus