COMPOUND: ἀθρόος, -α, -ον
CATEGORIZATION: A [α+V+Suf]
MEANING: ‘in crowds, heaps, or masses, crowded together’
ETYMOLOGY: ἀ- copulativum + verbal root *dher- (ἀθρέω) ‘gaze at’ or verbal/noun  root θρε- (θρέομαι, θρόος) ‘cry aloud; noise as of many voices’ + adj. suf. -ος, -ον
OCCURRENCE: Il. II, 439; XIV, 38; XV, 657; XXII, 271; XXIII, 200; Od. I, 27, 43; II, 356, 392; III, 34; XIII, 122; XXII, 76; XXIV, 420, 464, 468
CASE/GENDER/NUMBER: nom. m. pl., acc. n. pl. 
HEADEDNESS: exocentric
CLASSIFICATION: determinative – karmadhāraya
NOTES: uncertain etymology; ἀ- copulativum is not a free word in Greek