Where does “dirept” come from?

dirept (Romanian) comes from Vulgar Latin derectus, from Latin dīrectus, from Latin dīrigō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “dirept”, step by step

dirept traces back through two separate lines of ancestry.

via Vulgar Latin derectus

Step	Language	Word	Meaning
1	Vulgar Latin	derectus	directed, steered, guided, aligned, pointed,...
2	Latin	dīrectus	laid straight, arranged in lines, having been arranged in lines
3	Latin	dīrigō	to lay straight; arrange in lines (especially in military contexts)
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via Latin drictus

Step	Language	Word	Meaning
1	Latin	drictus	straight

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