The story
- Medieval Greek · derived fromἕνωσις καθ’ ὑπόστασιν
- Ecclesiastical Latin · calque ofūniō hypostatica
- English todayhypostatic union
Calque of Ecclesiastical Latin ūniō hypostatica, from Medieval Greek ἕνωσις καθ’ ὑπόστασιν (hénōsis kath’ hupóstasin, literally “union according to the hypostasis”).
Etymology from Wiktionary, CC BY-SA 4.0.