nervertheless comes from...
A primary particle; “off”, that is, away (from something near), in various senses (of place, time, or relation; literally or figuratively): - (X here-) after, ago, at, because of, before, by (the space of), for (-th), from, in, (out) of, off, (up-) on (-ce), since, with. In composition (as a prefix) it usually denotes separation, departure, cessation, completion, reversal, etc.
Adverb from a derivative of G142 (compare G740) through the idea of suspension; just now: - this day (hour), hence [-forth], here [-after], hither [-to], (even) now, (this) present.
Albert Barnes says that "nevertheless" should be translated...
Nevertheless - This word should have been translated: “moreover or furthermore.” What follows is designed to explain and give confirmation to what he had said.