haemorrhage

Concise Oxford English Dictionary © 2008 Oxford University Press:
haemorrhage /ˈhɛmərɪdʒ/ (US hemorrhage)

▶noun

• 1 an escape of blood from a ruptured blood vessel.

• 2 a damaging loss of something valuable: a haemorrhage of highly qualified teachers.

▶verb

• 1 suffer a haemorrhage.

• 2 lose or expend large amounts of (something), seemingly uncontrollably.

– derivatives
haemorrhagic /ˌhɛməˈradʒɪk/ adjective.

– origin C17: alt. of obs. haemorrhagy, via L. from Gk haimorrhagia, from haima ‘blood’ + the stem of rhēgnunai ‘burst’.