a name formed from the name of your father or a male ancestor, especially by adding something to the beginning or end of their name 从父名衍生出的名字（尤指在父亲或父系祖先之名上加前、后缀） Word Originearly 17th cent.: via late Latin from Greek patrōnumikos, from patrōnumos, from patēr, patr- ‘father’ + onuma ‘name’.