isometric (adj.)youdaoicibaDictYouDict[isometric 词源字典]
1838, literally "of the same measure," coined from Greek isos "equal" (see iso-) + metron "measure" (see meter (n.2)). Originally a method of using perspective in drawing; the physiological sense relating to muscular action is from 1891, from German isometrisch in this sense (1882).[isometric etymology, isometric origin, 英语词源]