Dactylitis
Inflammation of a digit (either a finger or a toe).
Dactyl comes from the Greek 'daktylos' meaning 'finger.' It now refers not only to the fingers but also the toes.
Dactyledema is edema (swelling) of the fingers or toes; dactylomegaly is enlargement of the fingers or toes; dactylospasm is a cramp of the fingers or toes, etc.