Thursday, November 12, 2009

Origins - Under and Over

Hypochondria is built on two Greek roots: hypos, under, and chondros, the cartilage of the breastbone. This may sound farfetched until you realize that under the breastbone is the abdomen; the ancient Greeks believed that morbid anxiety about one’s health arose in the abdomen – and no one is more morbidly, unceasingly, and unhappily anxious about health than the hypochondriac.
Hypochondriac is also an adjective – an alternative adjectival form is hypochondrical .
Hypos, under, is a useful root to know. The hypodermic needle penetrates under the skin; a hypothyroid person has an under-working thyroid gland; hypotension is abnormally low blood pressure.
On the other hand, hyper is the Greek root meaning over. The hypercritical person is excessively fault-finding; hyperthyroidism is an overworking of the thyroid gland; hypertension is high blood pressure; and you can easily work out the meanings of hyperacidity, hyperactive, hypersensitive, etc.
The adjectival forms of hypotension and hypertension are hypotensive and hypertensive.
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