Meaning

noun an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adu

originEtymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ὑδρο- (hudro-) Proto-Hellenic *kʰepʰəlā́ Ancient Greek κεφαλή (kephalḗ) Ancient Greek ὑδροκέφαλον (hudroképhalon)bor. English hydrocephalus Borrowed from Ancient Greek ὑδροκέφαλον (hudroképhalon).

Etymology from Wiktionary, CC BY-SA 3.0