Middle French laisser

← German lassen (cognate)

← Old French lesser (inherited)

← Old French lessier (mention)

← Old French laissier (mention)

← Proto-Germanic *lētaną (derived)

← Old High German lāzan (derived)

← Proto-Indo-European *leh₁d- (derived)

← Latin laxo (inherited)

→ French laisser (inherited)