- cosnadh
- earning, winning, Irish cosnamh, defence, Old Irish cosnam, contentio, *co-sen-, root sen, Sanskrit san, win, sangias, more profitable, Greek $$Ge$$'\nara, booty. Middle Irish aisne, gain, *ad-senia, Sanskrit sanati, Greek $$Ga$$'/numi.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.