ἀγαθίς

Ancient Greek

No etymology. Frisk connects Sanskrit गध्य (gadhya, “to be seized or gained as booty”).

ἀγᾰθῐ́ς • (agathís) f (genitive ἀγᾰθῐ́δος); third declension

Third declension of ἡ ἀγᾰθῐ́ς; τῆς ἀγᾰθῐ́δος (Attic)

Case / #	Singular	Dual	Plural
Nominative	ἡ ἀγᾰθῐ́ς hē agathís	τὼ ἀγᾰθῐ́δε tṑ agathíde	αἱ ἀγᾰθῐ́δες hai agathídes
Genitive	τῆς ἀγᾰθῐ́δος tês agathídos	τοῖν ἀγᾰθῐ́δοιν toîn agathídoin	τῶν ἀγᾰθῐ́δων tôn agathídōn
Dative	τῇ ἀγᾰθῐ́δῐ têi agathídi	τοῖν ἀγᾰθῐ́δοιν toîn agathídoin	ταῖς ἀγᾰθῐ́σῐ / ἀγᾰθῐ́σῐν taîs agathísi(n)
Accusative	τὴν ἀγᾰθῐ́δᾰ tḕn agathída	τὼ ἀγᾰθῐ́δε tṑ agathíde	τᾱ̀ς ἀγᾰθῐ́δᾰς tā̀s agathídas
Vocative	ἀγᾰθῐ́ς agathís	ἀγᾰθῐ́δε agathíde	ἀγᾰθῐ́δες agathídes
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension. Nominative singular -ς (-s) arose by reduction of the original cluster *-ds.

Belardi compared γάθια (gáthia, “sausages”); if this is correct, then the word would be Pre-Greek, because of the prothetic vowel.

ἀγᾰθῐ́ς • (agathís) f (genitive ἀγᾰθῐ́δος); third declension

Hesychius' gives the definition as: σησᾰμῐ́ς (sēsamís, “mixture of sesame seeds, roasted and pounded with honey”).

Third declension of ἡ ἀγᾰθῐ́ς; τῆς ἀγᾰθῐ́δος (Attic)

Case / #	Singular	Dual	Plural
Nominative	ἡ ἀγᾰθῐ́ς hē agathís	τὼ ἀγᾰθῐ́δε tṑ agathíde	αἱ ἀγᾰθῐ́δες hai agathídes
Genitive	τῆς ἀγᾰθῐ́δος tês agathídos	τοῖν ἀγᾰθῐ́δοιν toîn agathídoin	τῶν ἀγᾰθῐ́δων tôn agathídōn
Dative	τῇ ἀγᾰθῐ́δῐ têi agathídi	τοῖν ἀγᾰθῐ́δοιν toîn agathídoin	ταῖς ἀγᾰθῐ́σῐ / ἀγᾰθῐ́σῐν taîs agathísi(n)
Accusative	τὴν ἀγᾰθῐ́δᾰ tḕn agathída	τὼ ἀγᾰθῐ́δε tṑ agathíde	τᾱ̀ς ἀγᾰθῐ́δᾰς tā̀s agathídas
Vocative	ἀγᾰθῐ́ς agathís	ἀγᾰθῐ́δε agathíde	ἀγᾰθῐ́δες agathídes
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension. Nominative singular -ς (-s) arose by reduction of the original cluster *-ds.