caisil-chrò

a bier, bed of blood, Middle Irish cosair chró, bed of blood - to denote a violent death, Early Irish cosair, bed. the expression appears in the Ossianic Ballads, and folk-etymology is responsible for making Gaelic casair into caisil, bulwark. The word cosair has been explained as co-ster-, root ster, strew, Latin sternere, English strew.