the depths; innermost
Ancient Greek word, found 13 times in the texts on Socratos.
Homer, Iliad 22.482: νῦν δὲ σὺ μὲν Ἀΐδαο δόμους ὑπὸ κεύθεσι γαίης
Homer, Odyssey 24.204: ἑσταότʼ εἰν Ἀΐδαο δόμοις, ὑπὸ κεύθεσι γαίης·
Euripides, Alcestis 872: —πρόβα, πρόβα· βᾶθι κεῦθος οἴκων.