interj. [ OE. welaway, walaway, weilawey; wei wo! (Icel. vei) + la lo! (AS. lā) + wei wo!; cf. AS. wā lā wā. See Woe. ] Alas! [ Obs. ] [ 1913 Webster ]

Then welaway, for she undone was clean. Wyatt. [ 1913 Webster ]