φιλ-άδελφος, -ον [in LXX: 2Ma.15:14, 4Ma.13:21 4Mac 15:10 * ;] loving one's brother, loving like a brother (Soph., Xen., al.): of Christians' love for one another (EV, loving as brethren), 1Pe.3:8.† (AS)
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G5361 — φιλάδελφος
philadelphos · loving the brothers · Greek