Where does “hydrobot” come from?

hydrobot (English) comes from English bot, from English bottom, from Middle English botme, from Old English botm, from Proto-Germanic butmaz, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

hydrobot (English): An autonomous underwater vehicle for use in space...

Definitions

  1. An autonomous underwater vehicle for use in space...

Ancestry of “hydrobot”, step by step

hydrobot traces back through two separate lines of ancestry.

via English bot

StepLanguageWordMeaning
1EnglishbotThe larva of a botfly, which infests the skin of...
2EnglishbottomThe lowest part of anything; Character,...
3Middle EnglishbotmeThe lowest section of something; the bottom,...
4Old Englishbotmbottom; foundation; ground; abyss
5Proto-Germanicbutmazbottom; foundation; ground; abyss
6Proto-Indo-Europeanbʰudʰmḗnbottom
7Proto-Indo-Europeandʰewbʰ-deep
8Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European dʰewh₂-
hydrobot — Etymology, Origin & Word History | Etymology Explorer