In Prior English the neuter instrumental assortment hwȳ is Also attested in prepositional phrases in linked use, especially in for hwȳ for why adv., as well as with other prepositions which include things like be by prep. and tō to prep. (Take a look at the Aged Saxon parallels cited https://waylonqclve.isblog.net/fascination-about-why-petsky-store-53858787