Where does “furnaceman” come from?

furnaceman (English) comes from English MAN, from English manual, from Middle English manuel, from Anglo-Norman manuel, from Old French manual, from Latin manuālis, from Latin manus, from Proto-Italic manus — human being; man; hand.

furnaceman (English): One who operates a furnace in metalworking

Definitions

  1. One who operates a furnace in metalworking

Ancestry of “furnaceman”, step by step

furnaceman traces back through two separate lines of ancestry.

via English MAN

StepLanguageWordMeaning
1EnglishMANInitialism of Metropolitan Area Network
2EnglishmanualA handbook; A booklet that instructs on the usage...
3Middle Englishmanuel
4Anglo-Normanmanuelmanual; done with the hands; handle; manual;...
5Old Frenchmanual
6Latinmanuālishand
7Latinmanushand; bravery, valor; violence, fighting
8Proto-Italicmanushand
9Proto-Indo-Europeanman-human being; man; hand

via English furnace

StepLanguageWordMeaning
1EnglishfurnaceAn industrial heating device, e.g. for smelting...
2Middle EnglishforneysA stove or oven; a device for cooking upon or in;...
3Old Frenchfornaisfurnace
4Latinfornāxa furnace, oven, kiln
Every word from Proto-Indo-European man-Every word from Proto-Italic manusEvery word from Latin manus