interrog. adv. Obs. [f. TO prep. + WHEN.] Until what time? How long?
a. 1300. E. E. Psalter iv. 3. Mennes sones, towhen ofe herte yn-meke? Whi loue yhe fantom, and lighinge seke? Ibid., lxxxviii. 45. Towhen, laverd, turnes tou in ende, at laste? Als fire sal bren þi wreth faste?
