Etymograph

English

thio-

Thio- comes from Ancient Greek θεῖον ‘sulfur’, and goes back to θέειον.

  1. Ancient Greekc. 800–300 BCEθέειονthéeion
  2. Ancient Greek, derivedc. 800–300 BCEθεῖονtheîon‘sulfur’
  3. Englishearliest quotation 2013thio-

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Ancient Greekc. 800–300 BCEθέειονthéeion
  2. Ancient Greek, derivedc. 800–300 BCEθεῖονtheîon‘sulfur’
  3. Englishearliest quotation 2013thio-

Earliest quotation: 2013, Henri A. Favre and Warren H. Powell, Nomenclature of Organic Chemistry: “Chalcogen analogues of monocarboxylic acids with retained names may…”

Linked words

through Proto-Indo-European *dʰewh₂- ‘smoke’

down, steam, dye, funk, dew, dun, dune, duvet, dag, fume, thymus, obfuscate, typhon, fumigation, 27 more

Today it means

prefix containing sulfur, especially a compound in which oxygen has been replaced by this element

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

Etymograph / Ancient Greek θέειον / thio-