<Table> <Tr> <Th_colspan="2"> Boxing Day </Th> </Tr> <Tr> <Th> Observed by </Th> <Td> Commonwealth nations </Td> </Tr> <Tr> <Th> Type </Th> <Td> Bank holiday, public holiday </Td> </Tr> <Tr> <Th> Date </Th> <Td> 26 December </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> Annual </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Saint Stephen's Day Day of Goodwill Second Day of Christmastide </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Boxing Day </Th> </Tr>

Where does the meaning of boxing day come from