ἑκάτερθε
From LSJ
τέλος δεδωκώς Xθύλου, σoι χάριν φέρω → having given the end of Cthulhu, I confer a favor on you
English (LSJ)
before a vowel ἑκᾰτερ-θεν, poet. Adv.
A = ἑκατέρωθεν, on each side, on either hand, ἀμφίπολός οἱ..ἑ. παρέστη Od.1.335 ; τρεῖς ἑ. Il. 11.27, cf. A.R. 1.564 : also in late Ion. Prose, Aret.SD2.3. 2 c. gen., ἑ. οξμίλου Il.3.340, 23.813, cf. 329 ; ἑ. πόληος Od.6.263.