Where does “ogal” come from?

ogal (Slovene) comes from Proto-Slavic ǫgъlъ, from Proto-Balto-Slavic *ángulas, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

Ancestry of “ogal”, step by step

StepLanguageWordMeaning
1Proto-Slavicǫgъlъcorner, angle
2Proto-Balto-Slavic*ángulas—
3Proto-Indo-Europeanh₂engulosjoint?
4Proto-Indo-Europeanh₂eng-curve, bend
Every word from Proto-Indo-European h₂eng- →Every word from Proto-Indo-European h₂engulos →Every word from Proto-Balto-Slavic *ángulas →