An Etymological Dictionary of the German Language, A (1891)
by Friedrich Kluge, translated by John Francis Davis
Alarm
Friedrich Kluge2505431An Etymological Dictionary of the German Language, A — Alarm1891John Francis Davis

Alarm, m., ‘alarm’, first occurs in ModHG., like E. alarm, from the equiv. Fr. alarme; the latter is derived from Ital. allarme, prop., all’ arme, ‘to arms.’ See Lärm.