What is the meaning of បុណ្យ?

ceremony, celebration, festival, feast

holiday

goodness

good deed, charity

meritorious act

merit

dignity

rank, grade

promotion

power

influence

goodness, merit, virtue

good deed or work, meritorious act

pious act calculated to make merit

ceremony, festival, rite, service

endowment or foundation made for a religious purpose

Source: wiktionary.org