SG Heritage Dictionary

Whichsoever [\N] Webster's Dictionary 1828

WHICHEVER, WHICHSOEVER pronoun Whether one or the other. Whichever road you take, it will conduct you to town.

Whichsoever [Pronoun and adjective] Webster's Dictionary 1913

Whether one or another; whether one or the other; which; that one (of two or more) which; as, whichever road you take, it will lead you to town.