τούτῳ

From LSJ

ὦ παῖδες Ἑλλήνων ἴτε ἐλευθεροῦτε πατρίδ', ἐλευθεροῦτε δὲ παῖδας, γυναῖκας, θεῶν τέ πατρῴων ἕδη, θήκας τε προγόνων: νῦν ὑπὲρ πάντων ἀγών. → O children of the Greeks, go, free your homeland, free also your children, your wives, the temples of your fathers' gods, and the tombs of your ancestors: now the struggle is for all things.

Source

French (Bailly abrégé)

dat. sg. masc. et neutre de οὗτος.

English (Strong)

dative case singular masculine or neuter of οὗτος; to (in, with or by) this (person or thing): here(-by, -in), him, one, the same, there(-in), this.

Russian (Dvoretsky)

τούτῳ: dat. к οὗτος и τοῦτο.