роткылгаш (-ем)
{verb II} [Generate paradigm] 1. to rot, to decay
♢ вынер роткылген {sentence} the linen has rotted
2. {figuratively} to grow weak, to grow feeble (due to age)
♢ шоҥго ӱдырамаш роткылген {sentence} the old woman grew weak
~ ASPECTUAL CONVERB CONSTRUCTIONS ~
// роткылген пыташ (-ем) {verb II} {perfective} (see above)
♢ тошто вургем роткылген пытен {sentence} the old clothes have rotted