fancy

From Middle English fansy, fantsy, a contraction of fantasy, fantasye, fantasie, from Old French fantasie, from Medieval Latin fantasia, from Late Latin phantasia (“an idea, notion, fancy, phantasm”), from Ancient Greek φαντασία (phantasía), from φαντάζω (phantázō, “to render visible”), from φαντός (phantós, “visible”), from φαίνω (phaínō, “to make visible”); from the same root as φάος (pháos, “light”); ultimately from Proto-Indo-European *bʰh₂nyéti, from the root *bʰeh₂- (“to shine”). Doublet of fantasia, fantasy, phantasia, and phantasy.

From Middle English fancien, fantasien, fantesien, from Old French fantasier, from the noun (see above)).