English
hydropectin
From hydro- + pectin.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *peh₂ǵ- ‘to attach, fix, fasten’
…
Ancient Greek πηκτός ‘curdled’
Ancient Greek πηκτικός ‘curdling’
French acide pectique
French pectine
English pectin
Today it means
noun A hydrated form of pectin
Language periods are conventional ranges, not dates for this word.
Etymograph / hydropectin