quest

Concise Oxford English Dictionary © 2008 Oxford University Press:
quest/kwest/

▶noun

• 1 a long or arduous search.

• 2 (in medieval romance) an expedition by a knight to accomplish a prescribed task.

▶verb search for something.

– derivatives
quester (also questor) noun,
questing adjective,
questingly adverb.

– origin ME: from OFr. queste (n.), quester (v.), based on L. quaerere ‘ask, seek’.