athrob (adj.)youdaoicibaDictYouDict[athrob 词源字典]
1857, from a- (1) + throb. Related: Athrobbing.[athrob etymology, athrob origin, 英语词源]
throb (v.)youdaoicibaDictYouDict
late 14c., of uncertain origin, perhaps meant to represent in sound the pulsation of arteries and veins or the heart. Related: Throbbed; throbbing. The noun is first attested 1570s.