Lancelot
来自Big Physics
wiktionary
From Middle English Launcelot, from Old French Lancelot, from Frankish *Lanzo, hypocoristic form of names beginning in *Land-, from Proto-Germanic *landą(“land”), and diminutive Old French endings -el and -ot.
Cognate with Old English Landbeorht (modern English Lambert).
etymonline
Lancelot
masc. proper name, Old French, a double-diminutive of Frankish Lanzo, itself a shortened pet-name (hypocoristic) of one of the many Germanic names in Land- (compare Old English Landbeorht "land-bright;" see Lambert).