θῠρεός, ὁ,
(θύρα) stone put against a door to keep it shut, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 9.240, 313. ] Refs 8th c.BC+]
__II oblong shield (shaped like a door), [[ “PSI” 4.428.36 (3rd c.BC)] Refs 3rd c.BC+], Inscription cited in [[ 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Pyrrhus” 26, 3rd c.BC(?): Callixinus Historicus 2 ] Refs 3rd c.BC+]; hence, of the Roman scutum (opposed to ἀσπίς,= clipeus), [[ 2nd c.BC: Polybius Historicus 2.30.3, 6.23.2, 1st c.BC: Dionysius Halicarnassensis 4.16, cf. NT.Eph.6.16, 2nd c.AD: Apollodorus Damascenus Mechanicus “Abhandlungen der Göttinger Gesellschaft der Wissenschaften (Phil.-hist. Klasse)” 163.2, 2nd c.AD: Arrianus Historicus “Tactica” 3.2, etc. ] NT+2nd c.BC+]
__III disk forming part of καθετήρ, [[ “IG” 11(2).287 B 68 (Delos, 3rd c.BC). ] Refs 3rd c.BC+]
__IV in Mathematics texts, oval, [[ 5th c.AD: Proclus Philosophus “in primum Euclidis librum commentarius” 1 “Deff.” 3,8. ] Refs 5th c.AD+]