advb. and conj. phr.
In quot. with peculiar construction, thus = of which.
a. 1450. Knt. de la Tour (1868), 67. An aungelle showed hym the payne that she was made to suffre , the cause why for he sawe perfitly, how a deuelle helde her bi the here of her hede.
c. 1450. Cov. Myst. (Shaks. Soc.), 234. Many of ȝow be dome; why? for ȝe wole not redresse, Be mowthe ȝour dedys mortal.
c. 1489. Caxton, Sonnes of Aymon, xxvi. 545. Ye have lerned a fowle crafte, that ys, that ye can speke shrewdly wythoute a cause lawfull. Why for I have herde that ye have called me & my broder the sones of a traytour.
1787. Grose, Prov. Gloss., Why-vore, or For why-vore, wherefore.
1801. Marvellous Love-Story, II. 232. Some folks callst Crazy Castle, but I never could larn whyfore.