Where does “hydromining” come from?

hydromining (English) comes from English mining, from English mine, from Middle English myn, from Old English mīn, from Proto-Germanic *mīn, from Proto-Germanic mīnaz, from Proto-Indo-European méynos, from Proto-Indo-European mei — to fix, to build fortifications or fences.

Ancestry of “hydromining”, step by step

hydromining traces back through two separate lines of ancestry.

via English mining

StepLanguageWordMeaning
1EnglishminingThe activity of removing solid valuables from the...
2EnglishmineMy; belonging to me; that which belongs to me;...
3Middle EnglishmynAlternative form of min
4Old Englishmīnmy, mine
5Proto-Germanic*mīn
6Proto-Germanicmīnazmy, mine; 1st person singular possessive
7Proto-Indo-Europeanméynosmy; mine
8Proto-Indo-Europeanmeito fix, to build fortifications or fences

via English hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European mei