φθίσις

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Ancient Greek

Etymology

From Proto-Hellenic *kʷʰtʰítis, from Proto-Indo-European *dʰgʷʰítis (perishing, decrease). Cognates include Sanskrit क्षिति (kṣíti, perishing, downfall) and Latin sitis (thirst). By surface analysis, φθίω (phthíō) +‎ -σις (-sis).

Pronunciation

 

Noun

φθῐ́σῐς (phthísisf (genitive φθῐ́σεως); third declension

  1. decline, decay
  2. atrophy
  3. consumption (disease), tuberculosis
  4. waning of the moon
  5. contraction of the eye

Declension

Derived terms

Descendants

  • English: phthisis
  • Greek: φθίση (fthísi)

Further reading