Probably from sun; common, i.e. (literally) shared by all or several, or (ceremonially) profanecommon, defiled, unclean, unholy. see GREEK sun
Textus Receptus Greek Text
koinaiVMark 7:2
koinaActs 2:44, Acts 4:32
koinhnTitus 1:4
koinhVJude 1:3