θι
From LSJ
ἂν βούλησθε ἀκούειν καί μοι περιουσία ᾖ τοῦ ὕδατος → if you care to hear and if the water in the water-clock holds out, if you care to hear and if I have time enough for speaking
English (LSJ)
termin. of the locative case,
A Ἰλιόθι πρό Il.8.561; ἠῶθι πρό 11.50. II termin. of several locative Advs. formed from Substs., Adjs., and Prons., ἀγρόθι, οἴκοθι, ἄλλοθι, etc., cf. A.D.Adv.205.35, al.