Where does “interior” come from?

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

interior (Catalan): interior, inner, internal; interior, inside

Definitions

  1. interior, inner, internal; interior, inside

Ancestry of “interior”, step by step

StepLanguageWordMeaning
1Latininteriorinner, interior; nearer
2Latininterus—
3Proto-Indo-Europeanh₁énterosinside, within
4Proto-Indo-European-terosContrastive or oppositional adjectival suffix
Every word from Proto-Indo-European -teros →Every word from Proto-Indo-European h₁énteros →Every word from Latin interus →