Wiktionary
n. (context dated English) underwear; any undergarment.
Usage examples of "underlinen".
He dressed in clean underlinen, leather, and sandal and grimaced while he replaced the greave.
He merely pushed aside his underlinen and, raising her hips, slid into her incredibly hot, wet cleft.
She scooped up an armload of dresses, petticoats, and underlinen and went out.
Persis washed in water from the pitcher on the dressing stand, dressed in fresh underlinen and one of her own gowns which Molly had done her best to rehabilitate.
She could not remember washing it, nor her underlinen, yet they seemed not dirtied much.
They took her stiff and unresisting body and lifted her and carried her to bed, they took off the queenly crown and the gown she had put on for her triumph, and distantly she knew that her shift and underlinen were soaked again with blood, but it seemed not to matter.