It was the custom for a relaxed meal such as this dinner for men to eat while lying down comfortably around the table. You might want to translate using the word your language uses for the way people's bodies are when they eat. AT: "sat down at the table" (See: [[rc://en/ta/man/translate/figs-explicit]])
The Pharisees had a rule that people must wash their hands in order to be ceremonially clean before God. AT: "wash his hands" or "wash his hands in order to be ritually clean" (See: [[rc://en/ta/man/translate/figs-explicit]])