Where does “metaplot” come from?

metaplot (English) comes from English plot, from Middle English plot, from Old English plot, from Proto-Germanic plataz, from Proto-Indo-European b(e)lad- — to strike, beat.

metaplot (English): The overarching storyline that binds together...

Definitions

The overarching storyline that binds together...

Ancestry of “metaplot”, step by step

Step	Language	Word	Meaning
1	English	plot	The course of a story, comprising a series of...
2	Middle English	plot	plot of land
3	Old English	plot	a plot of ground
4	Proto-Germanic	plataz	slap, strike, blow
5	Proto-Indo-European	b(e)lad-	to strike, beat

Every word from Proto-Indo-European b(e)lad- →Every word from Proto-Germanic plataz →Every word from Old English plot →