Where does “intersterile” come from?

intersterile (English) comes from English inter, from Middle English enteren, from French entrer, from Middle French entrer, from Old French entrer, from Latin intrō, from Latin intra, from Latin interus — Contrastive or oppositional adjectival suffix.

intersterile (English): Unable to interbreed and produce offspring

Definitions

  1. Unable to interbreed and produce offspring

Ancestry of “intersterile”, step by step

intersterile traces back through two separate lines of ancestry.

via English inter

StepLanguageWordMeaning
1EnglishinterTo bury in a grave; To confine, as in a prison
2Middle Englishenteren
3Frenchentrerto enter
4Middle Frenchentrerto enter
5Old Frenchentrerto enter
6Latinintrōto enter, go into, come in, get in, penetrate
7Latinintrawithin; inside; during; less than
8Latininterus
9Proto-Indo-Europeanh₁énterosinside, within
10Proto-Indo-European-terosContrastive or oppositional adjectival suffix

via English sterile

StepLanguageWordMeaning
1EnglishsterileUnable to reproduce; Terse; lacking sentiment or...
2Middle Frenchstérile
3Latinsterilisbarren, sterile; unprofitable, futile
4Proto-Indo-Europeanster-sterile, infertile
Every word from Proto-Indo-European -teros