English
hydrosere
From hydro- + sere.
Proto-Indo-European *wed- ‘water’
Proto-Indo-European *wódr̥ ‘water’
Proto-Hellenic *údōr ‘water’
Ancient Greek ῡ̆̔́δωρ ‘water’
English hydro-
Proto-Indo-European *ser- ‘to bind, tie together’
Proto-Indo-European *séreti
Proto-Italic *serō
Latin serō ‘to entwine, interlace, link together’
Latin serere
English sere
Today it means
noun A plant succession in which an open freshwater naturally dries out, gradually becoming swamp, marsh, etc. and ultimately woodland.
Language periods are conventional ranges, not dates for this word.
Etymograph / hydrosere