From Old Swedish iæmpn, from Old Norse jafn, from Proto-Germanic *ebnaz. Compare Danish jævn, Norwegian Bokmål jevn, Norwegian Nynorsk jamn, Faroese javnur, Icelandic jafn, English even, Dutch even, effen, German eben.
- (mathematics, about numbers) even; divisible by 2
- (mathematics, about functions) even; a function of one variable such that f(-x)=f(x).
- smooth, even