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Also, atrophia
[uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
degeneration, decline, or decrease, as from disuse:
He argued that there was a progressive atrophy of freedom and independence of thought.
to affect with or undergo atrophy.
Historical Examples

“Eiweissmilch” is used in atrophic cases where there are bad green stools.
Dietetics for Nurses Fairfax T. Proudfit

As the name indicates, the lesions are atrophic, but not all examples show this.
A System of Practical Medicine By American Authors, Vol. II Various

From eczema by the condition of the affected hair, the atrophic and scar-like areas, the odor, and the history.
Essentials of Diseases of the Skin Henry Weightman Stelwagon

Her expression and appearance was that of a young person, only her atrophic breasts and the fat on her buttocks betraying her age.
Benign Stupors August Hoch

What several diseases of the skin are commonly followed by atrophic changes?
Essentials of Diseases of the Skin Henry Weightman Stelwagon

As the disease spreads the oldest part becomes dry and heals, the new epidermal covering being thin and atrophic in appearance.
Essentials of Diseases of the Skin Henry Weightman Stelwagon

An atrophic, brittle, dry condition of the hair, and which may be either symptomatic or idiopathic.
Essentials of Diseases of the Skin Henry Weightman Stelwagon

Such an accident usually occurs at the site of some previous scar or atrophic patch in the membrane.
A System of Operative Surgery, Volume IV (of 4) Various

Secondarily, from pressure, atrophy and destruction of the skin-glands, and atrophic degeneration of the fat and muscles result.
Essentials of Diseases of the Skin Henry Weightman Stelwagon

All of the muscles on the affected side became painful, apparently because of the atrophic condition to which they were reduced.
Psychotherapy James J. Walsh

noun (pl) -phies
a wasting away of an organ or part, or a failure to grow to normal size as the result of disease, faulty nutrition, etc
any degeneration or diminution, esp through lack of use
verb -phies, -phying, -phied
to waste away or cause to waste away
adj.

1819; see atrophy + -ic.
n.

“a wasting away through lack of nourishment,” 1620s (atrophied is from 1590s), from French atrophie, from Late Latin atrophia, from Greek atrophia “a wasting away,” noun of state from atrophos “ill-fed, un-nourished,” from a- “not” + trophe “nourishment,” from trephein “to fatten” (see -trophy).
v.

1822 (implied in atrophied), from atrophy (n.). Related: Atrophying.

atrophy at·ro·phy (āt’rə-fē)
n.
A wasting or decrease in the size of an organ or tissue, as from death and reabsorption of cells, diminished cellular proliferation, pressure, ischemia, malnutrition, decreased function, or hormonal changes. Also called atrophia. v. at·ro·phied, at·ro·phy·ing, at·ro·phies
To undergo atrophy.
a·troph’ic (ā-trŏf’ĭk) adj.
atrophy
(āt’rə-fē)
A wasting or decrease in the size of an organ or tissue, as from death and reabsorption of cells, diminished proliferation of cells, pressure, lack of oxygen, malnutrition, decreased function, or hormonal changes.
atrophy [(at-ruh-fee)]

The wasting away or decrease in size of an organ or tissue in the body. When a body part is affected by paralysis, the muscles may atrophy through lack of use.

Note: The term is also used in a more general way to refer to a wasting process: “Since he stopped playing, his piano skills have atrophied.”