MANSPLAIN

PRONUNCIATION: (MAN-splayn)

MEANING: verb tr.: To explain something, especially to a woman, in a condescending manner assuming ignorance on the part of the person spoken to, while the reverse is often true.

ETYMOLOGY: A blend of man + explain, from Latin explanare (to make level), from ex- (intensive prefix) + planus (level, flat, plain). Earliest documented use: 2008.

NOTES:
Mansplaining brings to mind what Bertrand Russell once said: “The fundamental cause of the trouble in the modern world today is that the stupid are cocksure while the intelligent are full of doubt.” The canonical example of mansplaining is when, at a party, a man learns that a woman has written a book on the photographer Eadweard Muybridge. He cuts her short and starts explaining to her about an important book that came out on the photographer that year, not knowing that he was talking to the author of that very book.
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MARSPLAIN - Elysium Planitia

OMAN'S PLAIN - the steppes of southwest Asia

MAINSPLAIN - where the rain in Spain stays, mostly