immarcescibiliter

immarcescibiliter , without fading or withering, everlastingly. filii Floriacensis monasterii ‥ absque termino immarcessibiliter cum Deo florere valent Byrht. V. Osw. 417; †671 (12c) hanc libertatem ‥ firmiter atque inmarcessibiliter in aeternum fore constituo CS 26.