In ancient Egypt, the Sphinx is a male statue of a lion with the head of a human, sometimes with wings. Most sphinxes however represent a king in his appearance as the sun god.
An anacronym is an acronym or an abbreviation so old or familiar that no one remembers what its letters stand for, such as BASIC or COBOL . By the way, an acronym is not just any abbreviation. It's a word that is short for other words, usually using their initial letters.
What are eponyms? An eponym is something named after a person - real or fictional. In medicine eponymous conditions are usually named after physicians who first describe them and, occasionally, after unfortunate patients who happen to suffer from them. While most eponymous conditions usually have an alternative, non-eponymous name, there are several reasons why eponyms are likely to be around for some time.