Leonardine
lay-uh-NAR-deen / lee-ə-NAR-deen
A feminine form built on the leon- root, carrying the sense of “lionlike” or “lion-strong.”
Meaning
Leonardine is a feminine name related to Leonard and other leon- names. In the excerpted sources, it is explained as coming from the root meaning “lion strong” or “lionlike,” with the idea of strength associated with the lion. The form is basically an elaborated feminine variant of Leonard/Leonarda.
Origin
GermanLatinGreekfeminine
Fun fact
One excerpt groups Leonardine with several related names that were all associated with November 6th on the calendar of names.
Confidence: sourced. Sources: History of Christian Names, Girls' Names and Name-Day and Birthday Book.