ὅτου

From LSJ

Γλώσσης μάλιστα πανταχοῦ πειρῶ κρατεῖν → Linguae modum tenere praecipuum puta → Zumeist die Zunge such' zu zügeln überall | Zumeist bezäme deine Zunge überall

Menander, Monostichoi, 80

French (Bailly abrégé)

att. p. οὗτινος, gén. de ὅστις.

English (Abbott-Smith)

ὅτου v.s. ὅστις

English (Strong)

for the genitive case of ὅστις (as adverb); during which same time, i.e. whilst: whiles.

Russian (Dvoretsky)

ὅτου: (= οὗτινος) gen. к ὅστις.