mow (n.)

"stack of hay," Old English muga, muwa "a heap, swath of corn, crowd of people," earlier muha, from Proto-Germanic *mugon (source also of Old Norse mugr "a heap," mostr "crowd"), of uncertain origin.

mow (v.)

Old English mawan "to mow" (class VII strong verb; past tense meow, past participle mawen), from Proto-Germanic *mæanan (source also of Middle Low German maeyen, Dutch maaien, Old High German maen, German mähen "to mow," Old English mæd "meadow"), from PIE root *me- (4) "to cut down grass or grain." Related: Mowed; mown; mowing.