calmar
/kalˈmaɾ/ · A2 · verb
to calm, to still
🍵 calmar = calm + -ar: the English word calm with a Spanish verb ending
Calmar is built on calma, the same root that gave English calm. Add the regular -ar verb ending and you get the action: to make calm, soothe or ease. Calmarse, the reflexive form, means to calm down.