ante-Nicene
[ an-tee-nahy-seen, -nahy-seen ]
/ ˌæn ti naɪˈsin, -ˈnaɪ sin /
adjective
of or relating to the Christian church or period before the Nicene Council of a.d. 325.
Also
an·te-Ni·cae·an
[an-tee-nahy-see-uh n] /ˌæn ti naɪˈsi ən/.