Where does “abstrus” come from?

abstrus (Romanian) comes from French abstrus, from Latin abstrūsus, from Latin abstrūdō, from Latin ab-, from Latin āb, from Proto-Germanic *ab, from Proto-Indo-European apó.

abstrus (Romanian): abstruse

Definitions

  1. abstruse

Ancestry of “abstrus”, step by step

StepLanguageWordMeaning
1Frenchabstrusabstruse
2Latinabstrūsushidden, concealed, having been concealed
3Latinabstrūdōto push or thrust away; conceal, hide
4Latinab-from, away, away from; off; at a distance
5Latinābfrom, away from, out of
6Proto-Germanic*ab—
7Proto-Indo-Europeanapó—
Every word from Proto-Indo-European apó →Every word from Proto-Germanic *ab →Every word from Latin āb →