prep. with dat. and adv. from under, from underneath; hann kastaði í pallinn undan sér hásætinu, he threw the cushion away from the seat he sat on, Nj. 175; hjó undan honum fótinn, cut his foot from under him, cut his leg off, 9; madr kippti fótum undan honum, svá at hann féll, Fms. ii. 149; hann hafði rétt fingrinn út undan húðinni, Nj. 208; berjask undan skildi eða buklara, Sks. 374 B; hann spratt upp undan borðinu, he sprang up from the table, Nj. 152; spratt upp u. garðinum, up from under the fence, where he had been hidden, 170; róa fram undan eyjunni, Fms. ii. 305; sjá þeir renna skip undan eyjum fram, x. 205; halda skipum undan landi, to keep with his ship from under the land, stand off land, i. 225; gaf byr undan landi, Ísl. ii. 243; þá er hann var þrévetr, gékk hann eigi u. konum, Eb. 320; hestisk Þórólfr á hann en graðungrinn gékk eigi u. at heldr, 324 (of a vicious bull).

2. without motion, of position; skerit var út undan firðinum, the skerry was out at sea just off the fjord, Háv. 49; ísar liggja langt undan landi, lie off the land, Sks. 173 B; … skeri, þat er vika u. landi, Landn. 134; undan þríhyrningi, from (the farm) Th., Nj. 93, 103; undan Felli, from Fell, Sturl. i. 9.

3. from, away, in the sense of retreating, pursuing, shunning, escaping, flying from a thing; snúa undan, to turn away from, Nj. 95; get ek þess at þú vilir eigi renna u. þeim, id.; komask undan, to escape; ríða undan. 105; varpa sér undan, 91; ef þetta berr undan, escapes, 63: metaph., fara undan, to keep aloof, withdraw from, refuse, 99; þeir þágu þá undan, got them relieved. 163; frelsa e-n undan valdi e-s, Fms. x. 142; skilja undan, see skilja; ganga undan, to pass away, be lost, i. 23; láta jarl ráða svá miklu ríki undan yðr, 52; Styrr dró alla menn undan Þorgesti, Eb. 108; heimta fé mitt undan Hrúti, claim it from under Rut’s hand, call on Rut to yield it up, Nj. 31; hve þér mundi undan, ef þú hefðir nökkut þat gört er frami væri at, Ísl. ii. 358 (a corrupt passage).

4. ahead of, before, both as prep. and adv.; ganga, fara undan e-m, to go before, ahead of, opp. to eptir; hann lætr fara undan sauðfé þat er skjarrast var, Ld. 96; hann var á undan mér alla leiðina; farðú á undan, eg skal koma á eptir, freq. in mod. usage; the ancients here mostly use fyrir, q. v.

5. lömb undan ám, a lamb under a ewe (born of it); kið undan geitum, kálfar undan kú, Grág. ii. 305: so in mod. usage, hann er u. henni Hyrnu, of the young and the dam; so also, smjör undan tuttugu kúm, tíu ám, Fb. ii. 529.