ā|did.ēˌōˈpriŋˌkeps; ə̇|dishēˌōˈprinˌseps, ē|- noun
( plural edi·ti·o·nes prin·ci·pes āˌdid.ēˈōˌnāˈspriŋkəˌpās; ə̇ˌdishēˈō(ˌ)nēzˈprin(t)səˌpēz, ēˌd-)
Etymology: New Latin, literally, first edition
: the first printed edition especially of a work that circulated in manuscript before printing became common
the editio princeps of the Greek New Testament — Times Literary Supplement