WordPress File wp-includes/taxonomy.php

pre_term_link

Filters the permalink structure for a term before token replacement occurs.

saved_{$taxonomy}

Fires after a term in a specific taxonomy has been saved, and the term cache has been cleared.

saved_term

Fires after a term has been saved, and the term cache has been cleared.

split_shared_term

Fires after a previously shared taxonomy term is split into two separate terms.