←
Old English mǣst (inherited)
←
Old English māst (mention)
←
Middle English most (inherited)
←
Middle English moste (mention)
←
West Frisian meast (cognate)
←
Proto-Germanic *maist (mention)
←
Saterland Frisian maast (cognate)
→
English -most (mention)
→
Middle English moost (link)