f. pl. [early Germ. arbeiz; mod. Germ. erbse; Dutch erwt or ert; Dan. ært; Swed. ärter]:—peas; the Scandin. word is probably borrowed from Dutch or Fris. and occurs in the 13th century; in old writers the r is kept throughout, ertr, ertrnar, Stj. 161; ertrum (dat.), 655 xxxiii. 4; ertra (gen.), Gþl. 544; ertra-akr, a pea-field, id.; ertra-reitr, a bed of peas, N. G. L. ii. 172; ertra-vellingr, Stj. 160, 161, Gen. xxv. 29: in mod. usage it is declined erta, u, f., gen. pl. ertna, ertum, etc.