Where does “distingwen” come from?

distingwen (Middle English) comes from Old French distinguer, from Latin distinguo, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “distingwen”, step by step

Step	Language	Word	Meaning
1	Old French	distinguer	—
2	Latin	distinguo	I distinguish, separate, divide or part; I adorn...
3	Latin	dis-	asunder, apart, in two; reversal, removal;...
4	Latin	calceus	shoe
5	Latin	calx	limestone; chalk; the finish line
6	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Words derived from “distingwen”

Every word from Ancient Greek χάλιξ →Every word from Latin dis- →Every word from Latin calx →