Know why cattywampus was trending last week?
c.1300, not in Old English, but it retains the original Old English vowel of its source word, breath. Related: Breathed; breathing.
breathing breath·ing (brē'ðĭng)n. The alternate inhalation and exhalation of air in respiration.
Alive, at least: They'll take any warm body that's breathing (1970s+)