nethergarment

plural nethergarments

1. An article of clothing worn underneath; an undergarment.

   [...] a narrow nethergarment, leaves more than you might think to the imagination.

   2011, Roy Blount Jr., Alphabetter Juice: Or, the Joy of Text

   2 more examples

   Much too conscientious a Musician, to omit a note of his part, he patiently waited for the pauses, to pull up his nethergarment again.

   1865, Louis Spohr, Louis Spohr's autobiography

   With this form of nethergarment the stockings are tied just below the knees, and often hanging over the garter like the tops of boots.

   2000, Iris Brooke, James Laver, English Costume from the Seventeenth Through the Nineteenth Centuries