An Etymological Dictionary of the German Language, Q (1891)
by Friedrich Kluge, translated by John Francis Davis
Qualm
Friedrich Kluge2508052An Etymological Dictionary of the German Language, Q — Qualm1891John Francis Davis

Qualm, m., ‘vapour,’ ModHG. only, formed from the equiv. LG. and Du. kwalm, the early history of which is obscure. It is identical probably with MidHG. twalm, ‘stupor, faint.’