Meaning

originFrom Middle English *lusk, from Old Norse lǫskr (“weak, idle”), from Proto-Germanic *laskwaz (“sluggish, dull, lazy”), from Proto-Indo-European *lēyd- (“to let, subside”). Cognate with Middle Dutch lasch (“flabby, loose”), Middle Low German lasch, las (“tired, dull”). Doublet of lush.

Etymology from Wiktionary, CC BY-SA 3.0