In Prior English the neuter instrumental assortment hwȳ is Furthermore attested in prepositional phrases in associated use, particularly in for hwȳ for why adv., and in addition with other prepositions which include things like be by prep. and tō to prep. (Take a look at the Aged Saxon parallels cited https://israelnswqb.humor-blog.com/35564386/fascination-about-why-petsky-store