COMPOUND: ἀΐδηλος, -ον   
CATEGORIZATION: A [α+V+Suf]
MEANING: ‘making unseen, annihilating, destructive; unseen , unknown, obscure’
ETYMOLOGY: ἀ- privativum + verbal root ἰδ- (aor. εἶδον) ‘see, perceive, behold’ + adj. suf. –ηλος, -ον
OCCURRENCE: Il. II, 455; V, 880, 897; IX, 436;  XI, 155; Od. XXII, 165; XXIII, 303.
CASE/GENDER/NUMBER: nom. m. sg., nom. n. sg.,  acc. m. sg., acc. f. (target gender) sg., acc. n. sg.
HEADEDNESS: exocentric 
CLASSIFICATION: determinative – karmadhāraya
NOTES: ἀ- privativum is not a free word in Greek