2 adjectives to describe ergo

It were a whole Olympiad's work to tell How many devilish, ergo, armed arts, Sprung all as vices of this idleness:

Dum ergo Ogerus dictas regiones expugnatas diuideret in hijs quindecim suis cognatis, et quemlibet eorum in suo loco constitueret regem, quatenus Christiana religio in illa orbis superficie semper stabilis permaneret, tradidit isti Præsbytero Ioanni superiorem Indiam, cum 4000.

2 adjectives to describe  ergo