noesis

Learned borrowing from Ancient Greek νόησις (nóēsis, “concept”, “idea”, “intelligence”, “understanding”), from νοεῖν (noeîn, “to intend”, “to perceive”, “to see”, “to understand”) (from νοῦς (noûs, “mind”, “thought”), from νόος (nóos)) + -σις (-sis), suffix forming nouns of action.