Abbott-Smith Manual Greek Lexicon
πρόσ-καιρος (G4340)
4 ** πρόσ-καιρος , -ον , [in LXX: IV Mac 15:2 , 8 , 23 *;] in season . for a season , temporary , transient : II Co 4:18 , He 11:25 ; of plants, short-lived : Mt 13:21 , Mk 4:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain