χελιδόνιος
ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)
English (LSJ)
or χελῑδ-όνειος, α, ον, also ος, ον Poll.6.81:—
A of the swallow, μέλος Suid.; χ. τεῖχος built by swallows, Thrasyll. ap. Ps.-Plu.Fluv.16.2. II like the swallow, esp. coloured like the swallow's throat, reddish-brown, russet, ἰσχάδες χελιδόνιαι russet-coloured figs, Philem.Gloss. ap. Ath. 14.652f., cf. Dsc.5.32, Poll.l.c.; χ. πυρός Dsc.Eup.1.228; χελιδόνια (sc. σῦκα) Ar.Fr.569.4 (χελιδόνεια Epigen.1.2). 2 χελιδονία, ἡ, a kind of gem, Plin.HN37.155; lapis chelidonius ib.11.203. 3 χ. ἀσπίς, a kind of asp, Philum.Ven.16.1, Gal. 14.235, cf. χελιδονιαῖος. 4 δασύπους χελιδόνειος, of the common hare, Diph.1. 5 χελιδονεία κύλιξ, name of a kind of cup, IG11(2).154B7 (pl., Delos, iii B.C.), cf. 145.46 (ib., iv. B.C.), Inscr.Delos385a53 (ii B. C.). 6 χελιδόνιον, τό, an eye-salve, CIL13.10021.93.