Where does “dreiture” come from?

dreiture (Old French) comes from Old French droit, from Late Latin drictus, from Latin dīrectus, from Latin dīrigō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

dreiture (Old French): right; entitlement; justice; rightness

Definitions

right; entitlement; justice; rightness

Ancestry of “dreiture”, step by step

Step	Language	Word	Meaning
1	Old French	droit	justice, right; right; correct; justified; right
2	Late Latin	drictus	—
3	Latin	dīrectus	laid straight, arranged in lines, having been arranged in lines
4	Latin	dīrigō	to lay straight; arrange in lines (especially in military contexts)
5	Latin	dis-	asunder, apart, in two; reversal, removal;...
6	Latin	calceus	shoe
7	Latin	calx	limestone; chalk; the finish line
8	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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