φθίσις

Ancient Greek

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).

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

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.

“φθίσις”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press
“φθίσις”, in Liddell & Scott (1889) An Intermediate Greek–English Lexicon, New York: Harper & Brothers
φθίσις in Bailly, Anatole (1935) Le Grand Bailly: Dictionnaire grec-français, Paris: Hachette
“φθίσις”, in Slater, William J. (1969) Lexicon to Pindar, Berlin: Walter de Gruyter
Woodhouse, S. C. (1910) English–Greek Dictionary: A Vocabulary of the Attic Language‎^[1], London: Routledge & Kegan Paul Limited.
- decay idem, page 199.