shillelagh

英 [ʃɪ'leɪlə; -lɪ] 美

shillelagh (n.): "cudgel," 1772, earlier, "oak wood used to make cudgels" (1670s), from Shillelagh, town and barony, famous for its oaks, in County Wicklow, Ireland. The name is literally "seeds (or descendants) of Elach, from Irish siol "seed."