/ ˈfæsɪt; NAmE / noun
1.
facet (of sth) a particular part or aspect of sth :
Now let's look at another facet of the problem.
2.
one of the flat sides of a jewel
••
WORD ORIGIN
early 17th cent.: from French facette , diminutive of face face, side, based on Latin facies form, appearance, face.