A superlative probably from echo (in the sense of contiguity); farthest, final (of place or time) -- ends of, last, latter end, lowest, uttermost.
see GREEK echo
ἔσχατα (eschata) − 4 Occurrences
ἐσχάταις (eschatais) − 3 Occurrences
ἐσχάτας (eschatas) − 1 Occurrence
ἐσχάτη (eschatē) − 11 Occurrences
ἔσχατοι (eschatoi) − 9 Occurrences
ἔσχατον (eschaton) − 7 Occurrences
ἔσχατος (eschatos) − 6 Occurrences
ἐσχάτου (eschatou) − 5 Occurrences
ἐσχάτους (eschatous) − 1 Occurrence
ἐσχάτῳ (eschatō) − 2 Occurrences
ἐσχάτων (eschatōn) − 3 Occurrences