βόρειον
From LSJ
Τραφὲν ὄρεσι καὶ φάραγξιν ἀγρίαις, κήρυξ πέφυκα τῆς λόγου ὑμνῳδίας. Φωνήν μὲν οὐκ ἔναρθρον, εὔηχον δ' ἔχω (Byzantine riddle) → Raised in the mountains and wild ravines, I have become the herald of hymns that are sung. I have no articulate voice...
Russian (Dvoretsky)
βόρειον: τό
1) чаще pl. пора северных ветров Xen.: βορείων ὄντων или βορείοις Arst. при северных ветрах;
2) pl. северные области, север (ἐν βορείοις Arst.).