overshirt

[oh-ver-shurt]

noun

a pullover sport shirt, worn outside the waistband of a skirt or pair of slacks.

Origin of overshirt

First recorded in 1795–1805; over- + shirt

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

In ten minutes more Jurgis had pulled off his coat and overshirt, and set his teeth together and gone to work.
The Jungle
Upton Sinclair
His coat and hat are on the floor, and he lies snoring at my side, with overshirt and trousers on.
Prison Memoirs of an Anarchist
Alexander Berkman
A parka is a sort of overshirt, wind proof and waterproof and hooded, to be worn over the overcoat and cap of the uniform.
America's Munitions 1917-1918
Benedict Crowell
I had tied two handkerchiefs together, and rolling my share in one of them, belted the amount between my overshirt and undershirt.
The Outlet
Andy Adams