Cærse

According to the Old English Dictionary:

cerse, an;

CÆRSE

f. CRESS, watercress; nasturtium, cardămum = GREEK :-- Man nasturcium, and óðrum naman cærse [cerse B.] nemneþ one nameth nasturtium, and by another name, cress, Herb. 21, 1; Lchdm. i. 116, 17. Ðeós wyrt, cærse, ne biþ sáwen, ac heó of hyre sylfne cenned biþ on wyllon and on brócen this herb, cress, is not sown, but it is propagated of itself in wells and in brooks, i. 116, 15. [Piers P. kerse: Dut. kers, f; Ger. M. H. Ger. kresse, m. f; O. H. Ger. kresso, m. cressa, f.] DER. eá-cærse, -cerse, fen-, tún-, wylle-. cærse