Dictionary entry

τεταρταῖος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

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.†