p. -arn, pl. -urnon ; pp. -urnen [a out, yrnan to run] To run over, to pass or go over, pass, go ; præterire, decurrere :-- -To náhte híg becumaþ swá swá a-yrnende wæter ad nihilum devenient tamquam aqua decurrens, Ps. Lamb. 57, 8. Swá neáh wæs þúsend wintra a-urnen so near was a thousand winters gone, Chr. 973; Th. 226, 5, col. 1; Edg. 16: Cd. 79; Th. 98, 6; Gen. 1626. A-urnenre tíde in or at a declining time, the time being far spent or gone. A-urnen biþ is run out, passed, Som. a-yrnan