Origin of laganfrom OFr, goods washed up by the sea from uncertain or unknown; perhaps base of Old Norse leggja, to lie
also li·gan or lag·end
Origin of laganFrench from Old French possibly from Old Norse lögn lagn-; see legh- in Indo-European roots.
- (law) Goods or materials found or left on the sea floor.
From Old French lagan, lagand, perhaps of Scandinavian origin.