Abbott-Smith Manual Greek Lexicon
τεκνίον (G5040)
8 † τεκνίον , -ου, τό (dimin. of τέκνον ), a little child : as a term of endearment, in voc. pl., Jo 13:33 , Ga 4:19 , I Jo 2:1 , 12 , 28 3:7 , 18 4:4 5:21 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain