Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
From a portmanteau: This is a redirect from a portmanteau to a related topic, such as the expansion of the portmanteau. The expanded form is given by the target of the redirect.
Use {{R from short name}}, instead, for abbreviations that are shortened names but not portmanteaus.