What does skylla mean?

"Skylla" refers to "Scylla," a creature from Greek mythology, often depicted as a sea monster that dwells on one side of a strait opposite Charybdis. She is known for her multiple heads and her role in The Odyssey, where she terrorizes sailors, including Odysseus. The term can also be used metaphorically to describe a situation involving difficult choices, akin to being caught between two dangers.