Webster's Revised Unabridged Dictionary · 1913

Welaway

Welaway , interjection

[Old English welaway, walaway, weilawey; wei wo! (Icelandic vei) + la lo! (Anglo-Saxon ) + wei wo!; compare Anglo-Saxon wā lā wā. See Woe.]

Alas! [Obsolete]
Then welaway, for she undone was clean. — Wyatt