Gave thanks to God (eucharistēsen tōi theōi). First aorist active indicative of eucharisteō from which our word “Eucharist” comes. It was saying grace like the head of a Hebrew family and the example of Paul would encourage the others to eat. Probably Paul, Luke, and Aristarchus had memories of the Lord’s supper (Act 2:42) while to others it was only an ordinary meal (Luk 24:30).