Where does “άγχος” come from?

άγχος (Greek) comes from Ancient Greek ἄγχω, from Proto-Indo-European h₂enǵʰ- — to constrict, tighten, compress; narrow, tight;...

άγχος (Greek): stress, strain, anguish; pathological anxiety;...

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	ἄγχω	To compress, press tight, especially the throat;...
2	Proto-Indo-European	h₂enǵʰ-	to constrict, tighten, compress; narrow, tight;...