English

amniodrainage

From amnio- + drainage.

Ancient Greek ἀμνῐ́ον ‘caul, membrane around the fetus’

Proto-Germanic *draugiz ‘hard, solid’

…

Proto-West Germanic *drauhnōn

Old English drēahnian ‘to drain’

Middle English *dreinen

English drain

Today it means

noun The removal of amniotic fluid in order to treat a fetal disorder.

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

Etymograph / amniodrainage