Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.“δέα_τος” S.Fr.328, Cerc.Fr.18 ii 4; δείους (written for δϝέεος) Il.10.376, 15.4), τό: pl., v. infr.11:—fear, alarm, χλωρὸν δέος pale fear, ib.7.479, etc.: distd. by Ammon. from φόβος, as being morelasting (δέος . . κακοῦ ὑπόνοια, φόβος δὲ ἡ παραυτίκα πτόησις), cf. Prodic. ap. Pl.Prt.358d; “φόβος τε καὶ δ.” Hdt.4.115; “τὸ δ. καὶ ὁ φ.” Lys.20.8; “δέει καὶ φόβῳ” D.21.124, cf. 23.103; also “δέος . . αἰσχύνη θ᾽ ὁμοῦ” S.Aj.1079; ἵνα γὰρ δ., ἔνθα καὶ αἰδώς Poet. ap. Pl.Euthphr.12b; δ. τινός fear of a person or thing, Ar.Ach.581; “δέει τῶν Κερκυραίων μή . .” Th.1.26; τεθνᾶσι τῷ δέει τοὺς τοιούτους ἀποστόλους （τεθνᾶσι τῷ δέει = δεδίασι) D.4.45; “τρέμειν τῷ δέει τί πείσεται” Alex.110.6: c. inf., “σοὶ δ᾽ οὐ δ. ἔστ᾽ ἀπολέσθαι” Il.12.246: folld. by μή with subj., “οὐχὶ δ. μή σε φιλήσῃ” Ar.Ec.650; “μέγα τὸ δ. ἐγένετο μὴ . .” Th.3.33; “δέος ἴσχετε μηδέν, ὅσ᾽ αὐδῶ” S.OC223; ἀδεὲς δ. δεδιέναι to fear where no fear is, Pl.Smp.198a; “πρὸς δέους λαβεῖν τι” Plu.Flam.7; of reverence, A.Pers.703.

II. reason for fear, Il.1.515; means of inspiring fear, “δ. δεινότερον” Th.3.45: rarely in pl., “δέη ἐπιπέμπει πολλὰ ὁ θεός” Lys. 6.20; “δέα ποικίλα” Ael.NA8.10; also “δέατα” Hecat.364J. (δϝεψ-ος, cf. δεινός, Skt. dve[snull ][tnull ]i 'hate'.)