τοι
enclitic. Affirmative particle : αἰσχρόν τοι δηρὸν μένειν Il. 2.298, μητρός τοι μένος ἐστὶν ἀάσχετον (i.e. I admit it) Il. 5.892. Cf. Il. 2.361, Il. 4.29, 405, Il. 5.801, 873, Il. 7.211, etc. : Od. 1.203, Od. 2.88, 372, Od. 4.93, Od. 7.33, Od. 9.27, etc.
In maxims : οὔ τοι ἀπόβλητʼ ἐστὶ θεῶν δῶρα Il. 3.65. Cf. Il. 9.158, etc. : Od. 2.276, Od. 8.329, etc.
For ἦ τοι, ἤτοι see ἦ2 1.b.δ.
For μέν τοι see μέν 1.