Where does “intra-” come from?

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

intra- (Italian): intra

Definitions

  1. intra

Ancestry of “intra-”, step by step

StepLanguageWordMeaning
1Latinintrawithin; inside; during; less than
2Latininterus
3Proto-Indo-Europeanh₁énterosinside, within
4Proto-Indo-European-terosContrastive or oppositional adjectival suffix

Words derived from “intra-

Every word from Proto-Indo-European -teros
intra- — Etymology, Origin & Word History | Etymology Explorer