Whom

Chamber's Twientieth Century Dictionary · 1908 · p. 123

hōōm, pron. objective case of who .— prons. Whomev′er , Whomsoev′er , objective case of whoever , whosoever . [A.S. hwám , which was orig. dat. of hwá , who, and replaced in the 12th and 13th centuries the older acc us. hwone .]