Noun ethos (custom) in the Gospels-Acts

(Translation from NRSV with a few modifications for a more literal meaning)

Luke

1: 9he was chosen by lot, according to the custom (ethos) of the priesthood, to enter the sanctuary of the Lord and offer incense.
2: 42And when he was twelve years old, they went up according to the custom (ethos) for the festival.
22: 39He came out and went, as was his custom (ethos), to the Mount of Olives; and the disciples followed him.

John

19: 40They took the body of Jesus and wrapped it with the spices in linen cloths, according to the burial custom (ethos) of the Jews.

Acts

6: 14for we have heard him say that this Jesus of Nazareth will destroy this place and will change the custom (ethos)s that Moses handed on to us."
15: 1Then certain individuals came down from Judea and were teaching the brothers, "Unless you are circumcised according to the custom (ethos) of Moses, you cannot be saved."
16: 21and are advocating custom (ethos)s that are not lawful for us as Romans to adopt or observe."
21: 21They have been told about you that you teach all the Jews living among the Gentiles to forsake Moses, and that you tell them not to circumcise their children or observe the custom (ethos)s.
25: 16I told them that it was not the custom (ethos) of the Romans to hand over anyone before the accused had met the accusers face to face and had been given an opportunity to make a defense against the charge.
26: 3because you are especially familiar with all the custom (ethos)s and controversies of the Jews; therefore I beg of you to listen to me patiently.
28: 17Three days later he called together the local leaders of the Jews. When they had assembled, he said to them, "Brothers, though I had done nothing against our people or the custom (ethos)s of our ancestors, yet I was arrested in Jerusalem and handed over to the Romans.