Ἡ δ' ἐμὴ ψυχὴ πάλαι τέθνηκεν, ὥστε τοῖς θανοῦσιν ὠφελεῖν → My soul died long ago so that I could give some help to the dead
P. εἰς πλάγια, or use adj., πλάγιος.
at right angles: P. ἐγκάρσιος