κυριομήτωρ

From LSJ

ἀγωνίζεσθαι, ἐπιζητεῖν, εὑρίσκειν καί μή εἴκειν → to strive, to seek, to find, and not to yield (Tennyson, Ulysses)  

Source

Greek Monolingual

κυριομήτωρ, -ορος, ἡ (Μ)
η μητέρα του Κυρίου, η Θεοτόκος.
[ΕΤΥΜΟΛ. < Κύριος + -μήτωρ (< μήτηρ), πρβλ. θεομήτωρ, πατρομήτωρ].