health: [OE] Etymologically, health is the ‘state of being whole’. The word was formed in prehistoric Germanic times from the adjective *khailaz, ancestor of modern English whole. To this was added the abstract noun suffix *-itha, producing *khailitha, whence English health. The verb heal [OE] comes from the same source. => heal, whole
Old English hælþ "wholeness, a being whole, sound or well," from Proto-Germanic *hailitho, from PIE *kailo- "whole, uninjured, of good omen" (cognates: Old English hal "hale, whole;" Old Norse heill "healthy;" Old English halig, Old Norse helge "holy, sacred;" Old English hælan "to heal"). With Proto-Germanic abstract noun suffix *-itho (see -th (2)). Of physical health in Middle English, but also "prosperity, happiness, welfare; preservation, safety." An abstract noun to whole, not to heal. Meaning "a salutation" (in a toast, etc.) wishing one welfare or prosperity is from 1590s. Health food is from 1848.
1. His wife Cheryl said she had no worries about his health.
2. The service covers contraceptive advice and health checks, and is available free.
3. His moodiness may have been caused by his poor health.
4. Curiously, the struggle to survive has greatly improved her health.
5. Steps taken now to maximise your health will pay dividends later on.