English
falsie
From false + -ie (“a diminutive”).
A compound of false + -ie ‘a diminutive’
Latin fallō ‘to deceive’
Latin falsus ‘counterfeit, false’
Old English fals ‘false; fraud’
Middle English false
English false
Today it means
noun Padding worn inside a brassiere to make the breasts appear larger or appear to exist.
Language periods are conventional ranges, not dates for this word.
Etymograph / falsie