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τήν

Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται -> For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
Corpus Hippocraticum, Aphorisms 1.6.2

French (Bailly abrégé)

acc. sg. fém. de l’art. ὁ, ἡ, τό;
poét. acc. fém. sg. du pron. relat. ὅς, ἥ, ὅ.

Russian (Dvoretsky)

τήν:
I acc. sing. f к ὁ.
II acc. sing. f к ὅς.