whoso

who·so

W0144650 (ho͞o′sō)pron. Archaic Who; whoever; whatever person.

whoso

(ˈhuːsəʊ) pron an archaic word for whoever

who•so

(ˈhu soʊ)

pron. objective whom•so. whosoever; whoever. [1125–75; Middle English, early Middle English hwa swa, Old English (swā) hwā swā. See who, so1]