REE (English) comes from Old Norse hríð, from Proto-Germanic hrīþō, from Proto-Indo-European (s)kreyt-, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.
REE (English): Initialism of rare earth element
Definitions
Initialism of rare earth element
Ancestry of “REE”, step by step
REE traces back through two separate lines of ancestry.