Etymograph

English

hydrocluster

hydro- + cluster

Formed from hydro- + cluster

Proto-Indo-European *wed- ‘water’

Proto-Indo-European *wódr̥ ‘water’

Proto-Hellenic *údōr ‘water’

Ancient Greek ῡ̆̔́δωρ ‘water’

English hydro-

Proto-Indo-European *gel- ‘to be cold, to freeze’

Proto-Germanic *klas-

Old English cluster ‘cluster, bunch, branch’

Middle English cluster ‘bunch, cluster, spray’

English cluster

Today it means

noun A theoretical cluster of suspension particles that cause shear thickening.

Language periods are conventional ranges, not dates for this word.

Etymograph / hydrocluster