phraseology (n.)youdaoicibaDictYouDict[phraseology 词源字典]
1550s, coined erroneously in Greek as phraseologia (1550s), from Greek phrasis "way of speaking" (see phrase (n.)) + -logia (see -logy). The correct form would be *phrasiology. Originally "a phrase book," meaning "way of arranging words, characteristic style of expression" is from 1660s.[phraseology etymology, phraseology origin, 英语词源]