different between asthenia vs lethargy

English

Alternative forms

• astheny (dated)

Etymology

From Ancient Greek ???????? (asthéneia), from ??????? (asthen?s, “sick, weak”), from ?- (a-, “not, un-”) + ?????? (sthénos, “strength”).

Pronunciation

• (General American) IPA^(key): /æs??i.ni.?/
• (Received Pronunciation) IPA^(key): /æs??i?.n??/
• Rhymes: -i?ni?

Noun

asthenia (countable and uncountable, plural asthenias)

1. (medicine) Weakness; loss of strength.

Derived terms

• myasthenia
• neurasthenia
• neuromyasthenia

Related terms

• asthenic

Translations

English

Etymology

From Middle English litargie, from Medieval Latin litargia, from Late Latin l?th?rgia, borrowed from Ancient Greek ????????? (l?th?rgí?, “drowsiness”), from ???????? (l?th?rgos, “forgetful, lethargic”) +? -??? (-í?, adjectival suffix).

Pronunciation

• IPA^(key): /?l??.?(?).d??i/

Noun

lethargy (countable and uncountable, plural lethargies)

1. A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness. [from 14th c.]
2. (pathology) A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns. [from 14th c.]

Related terms

• encephalitis lethargica (EL)
• lethargic
• Lethe

Translations

References

• “lethargy”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “lethargy”, in Merriam–Webster Online Dictionary, (Please provide a date or year).