Abbott-Smith Manual Greek Lexicon
τεταρταῖος (G5066)
1 τεταρταῖος , -α, -ον ( τέταρτος ), [in LXX: II Ki 3:4 A ( רְבִיעִי ) * ;] of or on the fourth day : τ. εἶναι (Hdt., τ. γενέσθαι ), to be four days dead , Jo 11:39 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain