leaky

Likely a normalisation ( + -y) of earlier leak, leake, leke (“leaky”, adjective), from Middle English leke (“leaky”), from Old English hlec, *lec (“having cracks or rents; leaky”), from Proto-Germanic *lekaz (“leaking; leaky”). By surface analysis, leak + -y. Cognate with Scots lek, leck (“leaky”), Saterland Frisian läk (“leaky”), Dutch lek (“leaky”), German Low German leck (“leaky”), German leck (“leaky”), Swedish läck (“leaky”), Icelandic lekur (“leaky”).

出典: Wiktionary「leaky」（CC BY-SA 4.0）