Where does “heptahydric” come from?

heptahydric (English) comes from English hydric, from English hydro, from Ancient Greek ὕδωρ, from Proto-Hellenic *údōr — water.

heptahydric (English): Having seven hydroxy groups

Definitions

  1. Having seven hydroxy groups

Ancestry of “heptahydric”, step by step

heptahydric traces back through two separate lines of ancestry.

via English hydric

StepLanguageWordMeaning
1EnglishhydricCharacterized by, or requiring, moisture;...
2Englishhydrohydroelectric; hydroponic; hydroelectric power
3Ancient Greekὕδωρwater; rainwater, rain; sweat
4Proto-Hellenic*údōrwater

via English hepta

StepLanguageWordMeaning
1Englishheptaseven
Every word from Proto-Hellenic *údōrEvery word from Ancient Greek ὕδωρEvery word from English hydro