Where does “entreval” come from?

entreval (Old French) comes from Latin intervallum, from Latin inter, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

Ancestry of “entreval”, step by step

StepLanguageWordMeaning
1LatinintervallumThe open space within the vallum of a camp or...
2Latininterbetween, among; during, while
3Proto-Indo-Europeanh₁entérbetween
4Proto-Indo-Europeanh₁enin; in, inside

Words derived from “entreval

Every word from Proto-Indo-European h₁enEvery word from Proto-Indo-European h₁entérEvery word from Latin inter