Beriberi

noun

Definitions

Noun
  1. 1
    An ailment caused by a deficiency of thiamine (vitamin B1), leading to lethargy and organ complications. uncountable, usually
  2. 2
    avitaminosis caused by lack of thiamine (vitamin B1) wordnet

Etymology

Possibly borrowed from Sinhalese phrase බැරි බැරි (bæri bæri, “I cannot, I cannot”) due to weakness.

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