m., pl. ir, [the forms grundr (q. v.) and grunda (q. v.) seem to indicate a double final, viz. grunnr and grunna; as to the sense, suspicion may be metaph. derived from a shoal or ground, and grunr may be akin to grunn, grunnr; else phrases such as grafa grun could scarcely be explained: no special word answering to grunr appears in the Saxon or Germ.]:—suspicion, Grág. i. 263, Ld. 262, Lv. 21, Fms. i. 58, ii. 87, x. 335, Hkr. ii. 267: the phrase, grafa grun á um e-t, to ‘dig the ground’ for a thing, to suspect, Bs. i. 871.