Where does “ernest” come from?

ernest (Middle English) comes from Old English eornest, from Proto-Germanic ernustuz, from Proto-Germanic arniz, from Proto-Indo-European er- — eagle, bird; loose, light, rare, sparse; to fail,...

Ancestry of “ernest”, step by step

Step	Language	Word	Meaning
1	Old English	eornest	—
2	Proto-Germanic	ernustuz	seriousness; earnest; strength; solidity;...
3	Proto-Germanic	arniz	efficient, capable, diligent, sure
4	Proto-Indo-European	er-	eagle, bird; loose, light, rare, sparse; to fail,...

Words derived from “ernest”

earnest
earnestness
overearnest
earnester
earnesty
overearnestly
overearnestness
earnestful
Earnie
unearnest

Every word from Proto-Indo-European er- →Every word from Proto-Germanic arniz →Every word from Proto-Germanic ernustuz →