Etymograph

English

serum

Serum comes from Latin serum ‘whey’, and goes back to Proto-Indo-European *sér-o-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sér-o-reconstructed
  2. Proto-Italicc. 1500–700 BCE*seromreconstructed
  3. Latinc. 75 BCE–200 CEserum‘whey’
  4. Englishtodayserum

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sér-o-reconstructed
  2. Proto-Italicc. 1500–700 BCE*seromreconstructed
  3. Latinc. 75 BCE–200 CEserum‘whey’
  4. Englishtodayserum

Linked words

through Latin serum ‘whey’

serous, 2 more

Today it means

noun Blood serum used as a blood product, in the practice of medicine: blood serum from the tissues of immunized animals (human or nonhuman), containing antibodies and used to transfer immunity to another individual (human or nonhuman).

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *sér-o- / serum

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