prod (v.)youdaoicibaDictYouDict[prod 词源字典]
1530s, "to poke with a stick," of uncertain origin; possibly [Barnhart] a variant of brod, from Middle English brodden "to goad," from Old Norse broddr "shaft, spike" (see brad), or perhaps imitative [OED]. Figurative sense is recorded from 1871. Related: Prodded; prodding.[prod etymology, prod origin, 英语词源]
prod (n.)youdaoicibaDictYouDict
1787, "pointed instrument used in prodding;" 1802, "act of prodding;" from prod (v.).