A sentence given with a blank is to be filled in with an appropriate word. Select the correct alternative out of the four.
"Excusing yourself before standing to leave is part of proper table ______________."

* Etiquette refers to the customary code of polite behavior in society or among members of a particular profession or group. "Table etiquette" or "table manners" is the correct and standard collocation here.
Usage means the action of using something.

Dignity means the state or quality of being worthy of honor or respect.

Habit means a settled or regular tendency or practice.