What part of speech is mummify?

Mummify can be categorized as a verb.

Parts of speech

1. mummify is a verb, present, 1st person singular of mummify (infinitive).
2. mummify is a verb (infinitive).

Verb
mummify - remove the organs and dry out (a dead body) in order to preserve it; "Th Egyptians mummified their pharaohs"
mummify - dry up and shrivel due to complete loss of moisture; "a mummified body was found"
mummify - preserve while making lifeless; "mummified ideas and institutions should be gotten rid of"