English

isoequilibrium

From iso- + equilibrium.

Ancient Greek ἴσος ‘equal’

English iso-

Latin lībra ‘balance’

Latin aequilībrium ‘a level or horizontal position, equilibrium’

Today it means

noun The state in which the difference between the enthalpy and entropy of reaction is constant

Language periods are conventional ranges, not dates for this word.

Etymograph / isoequilibrium