вичкыжемдаш (-ем)
{verb II} [Generate paradigm] 1. to thin, to make thinner
♢ шӱртым вичкыжемдаш кӱлеш, имышке ок пуро {sentence} the thread has to be made thinner - it won't fit into the needle
--"PARENT"--> вичкыжемаш (-ам)