ἥτις
From LSJ
Φερσεφόνας κυάνεος θάλαμος → dark chamber of Persephone
French (Bailly abrégé)
fém. de ὅστις.
English (Autenrieth)
(ὅ ττι), gen. οὗτινος, ἧστινος, and ὅτ τεο, ὅ(τ)τευ, dat. ὅτεῳ, acc. ὅτινα, pl. neut. ὅτινα, ἅσσα, gen. ὅτεων, dat. ὁτέοισι, acc. ὅτινας: who(so)ever, which(so)ever, what(so)ever, both relative and indirect interrogative; ξεῖνος ὅδ, οὐκ οἶδ' ὅστις, ‘unknown to me,’ Od. 8.28. See ὅτι.
Russian (Dvoretsky)
ἥτις: f к ὅστις.