Olid

The febrile attack is usually somewhat severe in all its stages, the pricking sensation occurs during the hot fit, and is like that of pin-points struck into the skin; the sweat is copious, but proves by its sour and olid smell that it is a morbid secretion, and hence affords no relief.

Source: wiktionary

An olid smell made the boy catch his breath.

Source: wiktionary

It was dark and musty, the carpet giving off an olid smell of mildew.

Source: wiktionary