bias Look up bias at Dictionary.com
1520s, from M.Fr. biasis "slant, oblique," from O.Prov. biais, possibly from V.L. *(e)bigassius, from Gk. epikarsios "slanting, oblique," from epi- "upon" + karsios "oblique." Transferred sense of "predisposition, prejudice" is from 1570s.