AtroposyoudaoicibaDictYouDict[Atropos 词源字典]
one of the Fates (the one who holds the shears and determines the manner of a person's death and cuts the thread), from Greek, "inflexible," literally "not to be turned away," from a- "not" (see a- (3)) + stem of trepein "to turn" (see trope). Related form Atropa was the Greek name for deadly nightshade.[Atropos etymology, Atropos origin, 英语词源]