fireman (n.)youdaoicibaDictYouDict[fireman 词源字典]
also fire-man, late 14c., "tender of a fire," from fire (n.) + man (n.). From 1650s as "furnace-tender" of a early steam engine. As "person hired to put out (rather than tend) fires" it is attested from 1714. For "stoker," Old English had fyrbeta.[fireman etymology, fireman origin, 英语词源]