What is the fetid gum resin or inspissated juice of a large umbelliferous plant (Ferula asafoetida) of Persia and the East India. It is used in medicine as an antispasmodic. [Written also assafoetida.] called?

asafetida — The fetid gum resin or inspissated juice of a large umbelliferous plant (Ferula asafoetida) of Persia and the East India. It is used in medicine as an antispasmodic. [Written also assafoetida.]. (Webster's 1913.)

Sources