Etymology

fatty

F4A1T1T1Y4

Today it means: Containing, composed of, or consisting of fat. Full definition →

Middle English fatty
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fatty · adjective1

  1. Middle English · inherited fromfatty
  2. English todayfatty

From Middle English fatty, equivalent to fat + -y. Cognate with Saterland Frisian fattig (“fatty”), Dutch vettig (“fatty, greasy”), German Low German fettig (“fatty”), German fettig (“fatty”).

fatty · noun2

From fat + -y (diminutive suffix).

Etymology from Wiktionary, CC BY-SA 4.0.