Where does “pitwork” come from?

pitwork (English) comes from English work, from Middle English werk, from Old English weorc, from Proto-West Germanic werk, from Proto-Germanic werką, from Proto-Indo-European wérǵom, from Proto-Indo-European werǵ- — to make.

pitwork (English): Pumping machinery used in a mine

Definitions

Pumping machinery used in a mine

Ancestry of “pitwork”, step by step

pitwork traces back through two separate lines of ancestry.

via English work

Step	Language	Word	Meaning
1	English	work	"Employment."; "Effort."; Sustained effort to...
2	Middle English	werk	work
3	Old English	weorc	work, in various senses, including
4	Proto-West Germanic	werk	work
5	Proto-Germanic	werką	work
6	Proto-Indo-European	wérǵom	work
7	Proto-Indo-European	werǵ-	to make

via English pit

Step	Language	Word	Meaning
1	English	pit	A hole in the ground; An area at a racetrack used...
2	Middle English	pit	—
3	Old English	pytt	pit; well, pool; grave
4	Proto-West Germanic	puti	well
5	Latin	puteus	pit, dungeon; well; cistern
6	Latin	-al	noun-forming suffix

Every word from Proto-Indo-European werǵ- →