characteristicyoudaoicibaDictYouDict[characteristic 词源字典]
adjective and noun both first attested 1660s, from character + -istic on model of Greek kharakteristikos. Earlier in the adjectival sense was characteristical (1620s). Related: Characteristically (1640s). Characteristics "distinctive traits" also attested from 1660s.[characteristic etymology, characteristic origin, 英语词源]