Where does “angular” come from?

angular (Catalan) comes from Latin angulāris, from Latin Angulus, from Proto-Indo-European h₂engulos, from Proto-Indo-European h₂eng- — curve, bend.

angular (Catalan): angular

Definitions

Step	Language	Word	Meaning
1	Latin	angulāris	—
2	Latin	Angulus	—
3	Proto-Indo-European	h₂engulos	joint?
4	Proto-Indo-European	h₂eng-	curve, bend

angular — Etymology, Origin & Word History | Etymology Explorer