English
acreak
From a- + creak.
Proto-Indo-European *uds- ‘up, out’
Proto-Germanic *uz- ‘out-’
Proto-West Germanic *uʀ- ‘up, out, over’
English a-
Proto-Indo-European *gerh₂- ‘to make a sound, cry hoarsely’
Proto-West Germanic *krakōn ‘to crash, crack, creak’
Old English cearcian ‘to chatter, creak, crash, gnash’
Middle English creken
English creak
Today it means
adj creaking
Language periods are conventional ranges, not dates for this word.
Etymograph / acreak