στειναύχην
From LSJ
ἀναβάντα γὰρ εἰς τὴν ἀκρόπολιν, καὶ διὰ τὴν ὑπερβολὴν τῆς λύπης προσκόψαντα τῷ ζῆν, ἑαυτὸν κατακρημνίσαι → for he ascended the acropolis and then, because he was disgusted with life by reason of his excessive grief, cast himself down the height
English (LSJ)
ενος, ὁ, ἡ,
A narrow-necked, Ion. for στεν-, λάγυνος AP 6.248 (Marc. Arg.).