The definition of odd is different than the normal, not divisible by two or the one remaining when others are paired.(adjective)
See odd in Webster's New World College Dictionary
Origin: ME odde < ON oddi, point of land, triangle, hence (from the third angle) odd number, akin to OE ord, a point < Gmc *uzda- (> Ger ort, place, orig., point) < IE *uds (< base *ud-, up > out) + *dho-, var. of *dhē, to place, put > do
See odd in American Heritage Dictionary 4
adjective odd·er, odd·est
Origin: Middle English odde
Origin: , from Old Norse oddi, point of land, triangle, odd number.
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