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Akrasia (/ ə ˈ k r eɪ z i ə /; Greek ἀκρασία, "lacking command" or "weakness", occasionally transliterated as acrasia or Anglicised as acrasy or acracy) is a lack of mental strength or willpower, or the tendency to act against one's better judgment. [1]
Weakness is a symptom of many different medical conditions. [1] The causes are many and can be divided into conditions that have true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy .
Meaning Origin language and etymology Example(s) capill-of or pertaining to hair Latin capillus, hair capillus: capit-pertaining to the head as a whole Latin caput, capit-, the head capitation, decapitation carcin-cancer: Greek καρκίνος (karkínos), crab carcinoma: cardi-of or pertaining to the heart: Greek καρδία (kardía), heart ...
Muscle weakness can also be caused by low levels of potassium and other electrolytes within muscle cells. It can be temporary or long-lasting (from seconds or minutes to months or years). The term myasthenia is from my- from Greek μυο meaning "muscle" + -asthenia ἀσθένεια meaning "weakness".
Neurasthenia (from the Ancient Greek νεῦρον neuron "nerve" and ἀσθενής asthenés "weak") is a term that was first used as early as 1829 [6] for a mechanical weakness of the nerves. [ clarification needed ] It became a major diagnosis in North America during the late nineteenth and early twentieth centuries after neurologist ...
The term cataplexy originates from the Greek κατά (kata, meaning "down"), and πλῆξις (plēxis, meaning "strike") [4] and it was first used around 1880 in German physiology literature to describe the phenomenon of tonic immobility also known as "playing possum" (in reference to the opossum's behavior of feigning death when threatened ...
The term is particularly associated with the 1973–75 United States recession. [4] An era of American automotive history, centered around the 1970s, is similarly called the " malaise era ." The "Crisis of Confidence" speech made by US President Jimmy Carter in 1979 is commonly referred to as the " malaise speech ", although the word itself was ...
The Online Etymology Dictionary or Etymonline, sometimes abbreviated as OED (not to be confused with the Oxford English Dictionary, which the site often cites), is a free online dictionary that describes the origins of English words, written and compiled by Douglas R. Harper. [1]