εὐρυκοίλιος
From LSJ
καὶ παρὰ δύναμιν τολμηταὶ καὶ παρὰ γνώμην κινδυνευταὶ καὶ ἐν τοῖς δεινοῖς εὐέλπιδες → they are bold beyond their strength, venturesome beyond their better judgment, and sanguine in the face of dangers
English (LSJ)
ον,
A hollow, of the right ventricle of the heart, Hp. Cord.4; with wide cavity, of the caecum, Ruf. ap. Orib.7.26.25.
German (Pape)
[Seite 1095] weitbäuchig, Hippocr.
Greek (Liddell-Scott)
εὐρυκοίλιος: -ον, ἔχων εὐρεῖαν κοιλίαν, Ἱππ. 269. 2.