Liddell-Scott-Jones

θίς (this) a hill ^G:N-M

θίς [ῑ], θῑνός: ὁ

[Refs 8th c.BC+]; ἡ [Refs 5th c.BC+]:— heap, πολὺς ὀστεόφιν θίς [Refs 8th c.BC+]; especially of sand-banks, θῖνες ψάμμου [Refs 5th c.BC+]; ἄμμου, γῆς, [Refs 1st c.BC+]; ἐν ταῖς θ. [Refs 4th c.BC+]; of the sandy deserts of Libya, [Refs 3rd c.BC+]; Νασαμώνων αὔλια καὶ δολιχὰς θ. [Refs 3rd c.BC+]

__2 usually in [Refs 8th c.BC+], beach, shore, frequently in oblique cases, παρὰ θῖνα.. θαλάσσης [Refs 8th c.BC+]; alone, ἐπὶ θινί [Refs 8th c.BC+]
__2.b sand-bank, bar at the mouth of a river, [Refs 2nd c.BC+]: plural, banks of a stream, [Refs 1st c.BC+]
__3 sand or mud at the bottom of the sea, οἶδμα.. κυλίνδει βυσσόθεν κελαινὰν θῖνα [Refs 5th c.BC+], i.e. trouble the very bottom of my heart, [Refs 5th c.BC+]
__4 shore-weed, θίν᾽ ἐν φυκιόεντι [Refs 8th c.BC+]
__II ἄκρης [πόλιος] θίς the temple that crowns the Acropolis, uncertain in [Refs]