metamorphosis (n.)youdaoicibaDictYouDict[metamorphosis 词源字典]
1530s, "change of form or shape," especially by witchcraft, from Latin metamorphosis, from Greek metamorphosis "a transforming, a transformation," from metamorphoun "to transform, to be transfigured," from meta- "change" (see meta-) + morphe "form" (see Morpheus). Biological sense is from 1660s. As the title of Ovid's work, late 14c., Metamorphoseos, from Latin Metamorphoses (plural).[metamorphosis etymology, metamorphosis origin, 英语词源]
transform (v.)youdaoicibaDictYouDict
mid-14c., "change the form of" (transitive), from Old French transformer (14c.), from Latin transformare "change in shape, metamorphose," from trans- "across" (see trans-) + formare "to form" (see form (v.)). Intransitive sense "undergo a change of form" is from 1590s. Related: Transformed; transforming.