φθίσις

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”). Synchronically analysable as φθίω (phthíō) +‎ -σις (-sis).

Pronunciation
 

Noun

φθῐ́σῐς • (phthísis) f (genitive φθῐ́σεως); third declension

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

Declension
Third declension of ἡ φθῐ́σῐς; τῆς φθῐ́σεως (Attic)
Case / # Singular Dual Plural
Nominative ἡ φθῐ́σῐς
hē phthísis		 τὼ φθῐ́σει
tṑ phthísei		 αἱ φθῐ́σεις
hai phthíseis
Genitive τῆς φθῐ́σεως
tês phthíseōs		 τοῖν φθῐσέοιν
toîn phthiséoin		 τῶν φθῐ́σεων
tôn phthíseōn
Dative τῇ φθῐ́σει
têi phthísei		 τοῖν φθῐσέοιν
toîn phthiséoin		 ταῖς φθῐ́σεσῐ / φθῐ́σεσῐν
taîs phthísesi(n)
Accusative τὴν φθῐ́σῐν
tḕn phthísin		 τὼ φθῐ́σει
tṑ phthísei		 τᾱ̀ς φθῐ́σεις
tā̀s phthíseis
Vocative φθῐ́σῐ
phthísi		 φθῐ́σει
phthísei		 φθῐ́σεις
phthíseis
Notes:
  • This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.

Derived terms

Descendants
  • Greek: φθίση (fthísi)

Further reading
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