Morpheme
Coy
Type
free base
Denotation
quiet, modest, demure
Etymology
Middle English coy; Old French coi, from quei; Latin quiētis, quiētus, from quiēscere, from quiēs + -scō
Evidence
accoy, accoyed, accoying, accoys, coy, coyed, coyer, coyest, coying, coyish, coyly, coyness, coys, overcoy, uncoy
Notes
coy, quit, quiet, quietus, and quite are doublets