cohosh

Etymology
From an word meaning "rough", probably Eastern  /  *kkwὰhas. Compare 🇨🇬. Compare.

Noun

 * 1) A perennial American herb, the rough rootstock of which is used in medicine.
 * 2) A smooth herb,, marketed for medicinal use.

Synonyms

 * ,, papoose root
 * Cimicifuga racemosa, black cohosh,, black snakeroot,