1843, "morbid craving for alcohol," also used of the temporary madness caused by excessive drinking, coined in medical Latin from Greek dipsa "thirst" (which is of unknown origin) + mania. It is recorded earlier in Italian (1829) and German (1830) medical works.
diplomat
diplomatic
diplomatist
dipper
dippy
dipsomania
dipsomaniac
dipstick
diptych
dire
direct