Where does “Longuet” come from?

Longuet (English) comes from French longuet, from French long, from Old French long, from Old French lonc, from Latin longus, from Latin -ē, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

Ancestry of “Longuet”, step by step

Step	Language	Word	Meaning
1	French	longuet	a bit long, a little too long, protracted
2	French	long	long
3	Old French	long	long length, duration
4	Old French	lonc	Alternative form of long
5	Latin	longus	far, long; extended, prolonged; long; tedious,...
6	Latin	-ē	ly; used to form adverbs from adjectives
7	Latin	dis-	asunder, apart, in two; reversal, removal;...
8	Latin	calceus	shoe
9	Latin	calx	limestone; chalk; the finish line
10	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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