English
mansionette
From mansion + -ette.
Formed from mansion + -ette
Latin manēre ‘stay’
Latin mānsiō ‘dwelling, stopping-place’
Anglo-Norman mansion
Middle English mansioun ‘a house, hostel, palace, etc’
English mansion
Today it means
noun A large and somewhat luxurious house.
Language periods are conventional ranges, not dates for this word.
Etymograph / mansionette