Mertze

According to the Old English Dictionary:

(?)

mertze

substitute: mertze, myrtse, and add : trading dues. [For instances of such dues see Ll. Th. i. 300] :-- Scipmanna (-e, MS. ) myrtse, céping teloneum (cf. teloneum tributum pro mercibus, Migne), Wrt. Voc. i. 37, 10. Cf. ciping; I a. mertze