ἐριθαλής
From LSJ
ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
English (LSJ)
ές, (θάλλω) A = ἐριθηλής, Limen.6, Hsch. II Subst. ἐριθαλές, τό, stone-crop, Sedum altissimum, Plin.HN25.160 ; cf. ἐριθαλίς· εἶδος δένδρου, Hsch.; dub. l. in Ps.-Dsc.4.88.
Greek (Liddell-Scott)
ἐριθᾱλής: ἢ -θαλλής, Δωρ. ἀντὶ ἐριθηλής, Ἡσύχ.