G0285
ἄμμος
sand
ἄμμος, -ου, ἡ [in LXX chiefly for חוֹל ;] sand, sandy ground: Mat.7:26, Rom.9:27, Heb.11:12, Rev.18:1, Rev.20:8.† (AS)
Full Thayer's lexicon entry
ἄμμος — ámmos
ἄμμος,, ἡ, sand; see. to a Hebrew comparison ἄμμος τῆς θαλάσσης and ἄμμος ἡ παρά τό χεῖλος τῆς θαλάσσης are used for an innumerable multitude, Rom 9:27; Heb 11:12; Rev 20:8, equivalent to Revelation 12:18 (Rev 13:1). According to the context sandy ground, Mat 7:26. (Xenophon, Plato, Theophrastus often, Plutarch, the Sept. often.)
4 occurrences
Matthew (1), Romans (1), Hebrews (1), Revelation of John (1)