Meaning

noun a collection containing a variety of sorts of things

noun a garment made of motley (especially a court jester's costume)

noun a multicolored woolen fabric woven of mixed threads in 14th to 17th century England

originFrom Middle English motle, from Anglo-Norman motteley (“parti-colored”), from Old English mot (“speck”). Doublet of mote. The English word can be analysed as mottle + -y.

Etymology from Wiktionary, CC BY-SA 3.0