cálamo

(masculine) object made from a reed, such as a pen or arrow
(masculine) sweet flag; calamus (Acorus calamus, a perennial wetland plant with an aromatic medicinal root)

cana-cheirosa

cálamo aromático

ácoro

calamo aromatico

Borrowed from Latin calamus (“reed, cane”).

Practice speaking and memorizing "cálamo" and many other words and sentences in Portuguese.