In Former English the neuter instrumental wide range hwȳ is Also attested in prepositional phrases in similar use, particularly in for hwȳ for why adv., and likewise with other prepositions which consist of be by prep. and tō to prep. (Take a look at the Aged Saxon parallels cited Formerly https://thesocialdelight.com/story5633719/detailed-notes-on-why-petsky-store