Where does “dreg” come from?

dreg (Romanian) comes from Romanian drege, from Latin dīrigō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

dreg (Romanian): inflection of drege: ## first-person singular...

Definitions

inflection of drege: ## first-person singular...

Ancestry of “dreg”, step by step

Step	Language	Word	Meaning
1	Romanian	drege	to mend, repair, fix, doctor, restore, renew,...
2	Latin	dīrigō	to lay straight; arrange in lines (especially in military contexts)
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

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