earthly, on earth
Ancient Greek word, found 58 times in the texts on Socratos.
Homer, Iliad 1.266: κάρτιστοι δὴ κεῖνοι ἐπιχθονίων τράφεν ἀνδρῶν·
Homer, Odyssey 1.167: θαλπωρή, εἴ πέρ τις ἐπιχθονίων ἀνθρώπων
Apollonius Rhodius, Argonautica 2.250: νῶιν. ἀρίζηλοι γὰρ ἐπιχθονίοισιν ἐνιπαὶ
All forms of ἐπιχθόνιος