β181Βατήρ
threshold
[Meaning] the beginning of the dug-up landing area for those [sc. competing in the long jump] in the pentathlon. "You have struck the very threshold of the argument," one says. Meaning the most important and chiefmost…
Βατήρ· ἡ ἀρχὴ τοῦ τῶν πεντάθλου σκάμματος. αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου, φησί τις. οἷον τὸ ἐπικαιρότατον καὶ τὸ πρῶτον.