Where does “anchusin” come from?

anchusin (English) comes from Translingual Anchusa, from Ancient Greek ἄγχουσα, from Ancient Greek ἄγχω, from Proto-Indo-European h₂enǵʰ- — to constrict, tighten, compress; narrow, tight;...

anchusin (English): A resinoid colouring matter obtained from alkanet...

Definitions

A resinoid colouring matter obtained from alkanet...

Ancestry of “anchusin”, step by step

Step	Language	Word	Meaning
1	Translingual	Anchusa	the plant alkanet
2	Ancient Greek	ἄγχουσα	alkanet; dyeing matter extracted from the plant
3	Ancient Greek	ἄγχω	To compress, press tight, especially the throat;...
4	Proto-Indo-European	h₂enǵʰ-	to constrict, tighten, compress; narrow, tight;...

Every word from Proto-Indo-European h₂enǵʰ- →Every word from Ancient Greek ἄγχω →Every word from Ancient Greek ἄγχουσα →