gillyflower (n.)
1550s, folk etymology spelling (by association of flower) of gilofre, originally "clove," c.1300, from Old French girofle "clove," ultimately from Greek karyophyllon "clove, nut leaf, dried flower bud of clove tree," from karyon "nut" (see karyo-) + phyllon "leaf" (see folio). The flower so named for its scent, so called from late 14c.