<Tr> <Th> Gwoyeu Romatzyh </Th> <Td> Dawjiaw </Td> </Tr> <Tr> <Th> Wade--Giles </Th> <Td> Tao - chiao </Td> </Tr> <Tr> <Th> IPA </Th> <Td> (tâu tɕjâu) </Td> </Tr> <Tr> <Th_colspan="2"> Wu </Th> </Tr>

What is the meaning behind this symbol for a follower of daoism