küpnem
{verb II} [Generate paradigm] 1. to swell, to swell up
♢ jolžo küpna {sentence} his/her legs are swelling up
♢ šürgə̑nač́kaže küpnen {sentence} his/her cheeks swelled up
2. to rot, to decay
♢ šudo küpnen {sentence} the hay rotted
~ ASPECTUAL CONVERB CONSTRUCTIONS ~
// küpnen pə̑tem {verb II} {perfective} (see above)
♢ rβezə̑n türβə̑žö küpnen pə̑ten {sentence} the young man's lips swelled up