The term 'MOCK DOC' is a combination of two words: 'MOCK' and 'DOC'. The word 'MOCK' is derived from the Latin word 'moccare' which means to ridicule or make fun of. The word 'DOC' is an abbreviation for doctor, a medical professional who diagnoses and treats illnesses. The crossword solution for this term is 'QUACK', which is a derogatory term used to describe someone who pretends to be a doctor but is not qualified to do so. This term is often used to describe people who offer medical advice without proper qualifications.