bias
The origin and history of bias.
Etymology
From Middle French biais, "sideways" or "at a slant," first used in English around 1520 for an oblique line, then borrowed into the game of bowls for a ball's curving path — which gave us the figurative "leaning" sense.
Class of 1520
bias first entered the language around 1520. Other words from the same year:
See the full Class of 1520 →