'Accident' has also (2) another meaning, i.e. all that attaches to each thing in virtue of itself but is not in its essence, as having its angles equal to two right angles attaches to the triangle.
30) Beste zentzu batean ere esaten da akzidentea; esaterako, substantziaren baitakoak izan gabe gauza bakoitzari berez dagozkion horiek, adibidez, triangeluan bi angelu zuzen izatea.