Jupon is an alternative form of gipoun.
As nouns the difference between jupon and gipoun
is that jupon is a close-fitting sleeveless jacket, descending below the hips, worn over armour while gipoun is (obsolete) a short cassock.
jupon
English
Alternative forms
* juppon
Noun
(
en noun)
A close-fitting sleeveless jacket, descending below the hips, worn over armour.
A petticoat.
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gipoun
English
Alternative forms
* gepoun
* gypoun
* jupon
* juppon