ἀμβ-
From LSJ
χωρίον ἔνθα οὐ προσβατὸν θανάτῳ → a spot where it is not accessible to death, a place where was no point accessible by death, a place where death was forbidden to set foot
English (LSJ)
Epic Ionic, and poet. for ἀναβ- at the beginning of words. Only the most important of such forms will be found in their place; for the rest v. sub ἀναβ.
Greek (Liddell-Scott)
ἀμβ-: Ἐπ. καὶ Ἰων. καὶ ἐντεῦθεν ποιητ. ἀντὶ τοῦ ἀναβ- ἐν ἀρχῇ λέξεων: ἴσως δὲ ὁ τύπος οὗτος ἦν ὁ συνήθης ἐν τῇ κοινῇ λαλουμένῃ γλώσσῃ. Μόνον αἱ σπουδαιόταται τῶν ἐκ τοῦ τύπου τούτου συνθέτων λέξεων τίθενται ἐν τῇ οἰκείᾳ αὑτῶν θέσει, περὶ δὲ τῶν λοιπῶν ἴδε ἐν λέξεσιν ὧν ἡ ἀρχή: ἀναβ-.