English

aleak

From a- + leak.

Formed from a- + leak

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

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

English a-

Middle English leken ‘to let water in or out’

English leak

Today it means

adj leaking

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