τούτοις

From LSJ

Ξένον ἀδικήσῃς μηδέποτε καιρὸν λαβών → Occasione laedito nulla hospitem → Tu keinem Fremden Unrecht trotz Gelegenheit

Menander, Monostichoi, 397

English (Strong)

dative case plural masculine or neuter of οὗτος; to (for, in, with or by) these (persons or things): such, them, there(-in, -with), these, this, those.