English 'health' comes from Old English 'hǣlþ' (wholeness), from 'hāl' (whole, uninjured), from Proto-Germanic *hailaz — the same root that produced 'heal,' 'whole,' 'holy,' and 'hallow,' revealing that the original concept of health was not the absence of disease but the presence of wholeness.
The state of being free from illness or injury; a person's overall physical and mental condition.
From Old English hǣlþ (wholeness, being whole, sound health), formed from hāl (whole, uninjured, of good omen) with the abstract noun suffix -þ (as in strength, filth, warmth). The Old English adjective hāl comes from Proto-Germanic *hailaz (whole, uninjured, of good omen), which derives from PIE *kóh₂ilus or root *kailo- (whole, uninjured, of good omen). The original sense was not medical but
'Health,' 'whole,' 'heal,' 'holy,' and 'hallow' all descend from the same Proto-Germanic root *hailaz (whole, uninjured). To be healthy was to be whole; to be holy was to be whole in a spiritual sense; to heal was to make whole again. Even the greeting 'hail' (as in 'hail and well met') originally wished