Where does “amaritude” come from?

amaritude (Old French) comes from Latin amaritudo, from Latin amārus, from Proto-Indo-European h₂eh₃mós, from Proto-Indo-European h₂eh₃- — to be hot; to burn.

Ancestry of “amaritude”, step by step

Step	Language	Word	Meaning
1	Latin	amaritudo	bitterness; harshness; severity, acrimoniousness,...
2	Latin	amārus	bitter (taste)
3	Proto-Indo-European	h₂eh₃mós	raw; uncooked; bitter
4	Proto-Indo-European	h₂eh₃-	to be hot; to burn

Words derived from “amaritude”

amaritude
amarytude

Every word from Proto-Indo-European h₂eh₃- →Every word from Proto-Indo-European h₂eh₃mós →Every word from Latin amārus →