ὀμφαλόν (omphalon)
ὀμφαλόν is an Ancient Greek form of ὀμφαλός, meaning “navel; centre”. It is the accusative singular masculine noun.
Found 45 times in the Ancient Greek texts on Socratos.
Where it is used
Diogenes Laertius, Vitae philosophorum 3.1.67: … ὐτῆς λογιστικὸν μέρος περὶ τῇ κεφαλῇ καθιδρῦσθαι, τὸ δὲ θυμοειδὲς περὶ τῇ καρδίᾳ, τὸ δὲ ἐπιθυμητικὸν περὶ τὸν ὀμφαλὸν καὶ τὸ ἧπαρ συνίστασθαι.
Euripides, Hecuba 559: ἔρρηξε λαγόνας ἐς μέσας παρʼ ὀμφαλόν,
Pausanias, Description of Greece 10.16.3: τὸν δὲ ὑπὸ Δελφῶν καλούμενον Ὀμφαλὸν λίθου πεποιημένον λευκοῦ, τοῦτο εἶναι τὸ ἐν μέσῳ γῆς πάσης αὐτοί τε λέγουσιν οἱ Δελφοὶ καὶ ἐν ᾠδῇ τινι Πίνδαρος ὁμολογοῦντά σφισιν ἐποίησεν.
All forms of ὀμφαλός (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.