Word: whitesplain
Part of speech: Verb
Syllables: white
splain
Definition: To explain (something) condescendingly to one who is not white, especially regarding race relations or minority behavior, presuming the listener's inferior understanding because of their race.
Morphemes:
Affix: white
Language: en
PoS: Adjective
Meaning: Designated for use by Caucasians.
Affix: -splain
Language: en
PoS: Suffix
Meaning: A suffix combined with a descriptive adjective or noun to create a verb meaning someone who fits that description condescendingly explaining something to someone who does not fit that description (especially, something the listener has more experience of).