foliate (adj.)youdaoicibaDictYouDict[foliate 词源字典]
1620s, "beaten into thin sheets," from Medieval Latin foliatus "leaved, leafy," from Latin folium "a leaf" (see folio). As "leaf-like" from 1650s.[foliate etymology, foliate origin, 英语词源]
foliate (v.)youdaoicibaDictYouDict
1660s (implied in foliated), "to apply silver leaf," from Medieval Latin foliatus "leaved, leafy," from Latin folium "a leaf" (see folio). Meaning "put forth leaves" is from 1775. Related: Foliated; foliating.