Dean (English) comes from Middle English den, from Old French deien, from Latin decānus, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.
Dean (English): A title afforded to a dean
Definitions
A title afforded to a dean
Ancestry of “Dean”, step by step
Dean traces back through two separate lines of ancestry.