коштырга•ш (-ем)
{verb II} [Generate paradigm] 1. to roughen, to become coarse, to become weather-beaten
♢ чурие•м коштырге•н {sentence} my face became weather-beaten
♢ киде•м коштырга• {sentence} my hands are getting rough
♢ лум коштырге•н {sentence} the snow roughened
♦ ма•рдеж де•не коштырга•ш (-ем) {verb II} to become rough in the wind
~ ASPECTUAL CONVERB CONSTRUCTIONS ~
// коштырге•н пыта•ш (-ем) {verb II} {perfective} (see above)
♢ киде•м коштырге•н пыта• {sentence} my hands are becoming completely rough
--"PARENT"--> коштыра•