ἀδελφότης (adelphótēs|ad-el-fot'-ace|noun|fellowship of believers)
[Grk] ἀδελφότης LN: 11.22 GK: G82
Derivation: from ἀδελφός;
Strong's: brotherhood (properly, the feeling of brotherliness), i.e. the (Christian) fraternity
KJV: --brethren, brotherhood.
See: ἀδελφός