The term is etymology.
The noun 'fascist' is a common gender noun, a word for a male or a female.
Regime
The etymology is derived from the noun "show" and the word "boat". It was first introduced in the 1800's as a term to describe artistic performances on a boat.
The African Luhya term for the English word 'pig' is Ingurwe.
there was a time they were called "guinaia pig"
The etymology of the word "ask" is very unusual.
The etymology dictionary term for academia is relating to academy. The meaning is theoretical, not practical, not leading to decision such as university debates or classroom legal exercises.
There is no real-world etymology for the word. All that is explained in the Star Wars canon is it's a term for a warlord who joined the fledgling republic peacefully.
Boche was a French derogatory term for Germans, apparently originally derived from an old word for "head" that came to mean obstinate, stubborn, or pig-headed. The etymology is explained in greater detail in the Wording_Room: http://www.billcasselman.com/wording_room/boche.htm
I assume you mean Guinea Pig, which is a rodent and not a member of the swine family. Gina, short for Regina- Queen, usually refers to Gina Lollobrigida the outstanding and renowned Italian actress, currently auctioning off some valuable jewels. a pair of earrings went for l.6 Million! Counterweights indeed! Guinea, of unsure etymology is a derogatory term for Italians. A possible linkage was the usage of small submarines called Pig Boats by the RIN, but other navies used this term also.
The etymology of a word is it's history, development and derivation.