English

acloud

From a- + cloud.

Formed from a- + cloud

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

Proto-Indo-European *gel- ‘to ball up’

…

Proto-Germanic *klūtaz ‘lump’

Proto-West Germanic *klūt ‘lump, mass’

Old English clūd ‘mass of stone’

Middle English cloud ‘a cloud’

English cloud

Today it means

adj Made cloudy; clouded.

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