Refer to the passage below and then answer the question afterwards in the same language as the passage:

Passage: Before its current usage, alma mater was an honorific title for various Latin mother goddesses, especially Ceres or Cybele, and later in Catholicism for the Virgin Mary. It entered academic usage when the University of Bologna adopted the motto Alma Mater Studiorum ("nurturing mother of studies"), which describes its heritage as the oldest operating university in the Western world. It is related to alumnus, a term used for a university graduate that literally means a "nursling" or "one who is nourished".

Question: what was the title of the various Latin Mother goddess?
alma mater