Earlier forms include gallogascaine(s) and galigascon(s).
Perhaps an alteration of obsolete French garguesque that was influenced by galley, “a kitchen or an area with kitchen facilities in a ship, plane, or camper,” and Gascon, “a native of Gascony, France.”
EXAMPLES OF GALLIGASKINS
As I rummaged through the old trunk, I stumbled upon a pair of vintage galligaskins, bringing back memories of fashion trends from the past.
She chose to wear comfortable galligaskins for her outdoor adventure, ensuring she could freely move and explore without any restrictions.