λεπτοτράχηλος
From LSJ
ο φίλος τον φίλον εν πόνοις και κινδύνοις ου λείπει → a friend does not abandon his friend in difficulties and in danger, a friend in need is a friend indeed
English (LSJ)
[ᾰ], ον,
A thin- or fine-necked, Arist.Phgn.809b6 (Comp.), Alex.Mynd. ap. Ath.9.392c.
German (Pape)
[Seite 31] dünnhälsig; im compar., Arist. physiogn. 5; Alex. Mynd. Ath. IX, 592 c.