equilibrium词源

英文词源

equilibrium (n.)

c. 1600, "state of mental balance," from Latin aequilibrium "an even balance; a horizontal position," from aequilibris "equal, level, horizontal, evenly balanced," from aequus "equal" (see equal (adj.)) + libra "a balance, scale, plummet" (see Libra). Related: Equilibrious.