Dictionary entry

φιλαδελφία

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

φιλαδελφία, -ας, ἡ

(< φιλάδελφος), [in LXX: IV Mac 13:23, 26 14:1 *;]

the love of brothers, brotherly love: of Christians' mutual love as brethren (v.s. ἀδελφός), Ro 12:10, I Th 4:9, He 13:1, I Pe 1:22, II Pe 1:7.†