гнить, портиться The soil in the forest is rich with dead leaves and branches that have been rotting away for centuries. His teeth had rotted away and were black at the edges.
ROT AWAY
Англо-русский перевод ROT AWAY
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012