<Table> <Tr> <Th_colspan="2"> (show) Transcriptions </Th> </Tr> <Tr> <Th_colspan="2"> Standard Mandarin </Th> </Tr> <Tr> <Th> Hanyu Pinyin </Th> <Td> yīnyáng </Td> </Tr> <Tr> <Th> Gwoyeu Romatzyh </Th> <Td> inyang </Td> </Tr> <Tr> <Th> Wade--Giles </Th> <Td> yin - yang </Td> </Tr> <Tr> <Th> IPA </Th> <Td> (ín. jǎŋ) </Td> </Tr> <Tr> <Th_colspan="2"> Hakka </Th> </Tr> <Tr> <Th> Romanization </Th> <Td> yim - yong </Td> </Tr> <Tr> <Th_colspan="2"> Yue: Cantonese </Th> </Tr> <Tr> <Th> Yale Romanization </Th> <Td> yām - yèuhng </Td> </Tr> <Tr> <Th> IPA </Th> <Td> (jɐ́m. jœ̏ːŋ) </Td> </Tr> <Tr> <Th> Jyutping </Th> <Td> jam - joeng </Td> </Tr> <Tr> <Th_colspan="2"> Southern Min </Th> </Tr> <Tr> <Th> Hokkien POJ </Th> <Td> im - iông </Td> </Tr> <Tr> <Th_colspan="2"> Middle Chinese </Th> </Tr> <Tr> <Th> Middle Chinese </Th> <Td>' im - yang </Td> </Tr> <Tr> <Th_colspan="2"> Old Chinese </Th> </Tr> <Tr> <Th> Baxter--Sagart (2014) </Th> <Td> * qrum - lang </Td> </Tr> </Table> <Tr> <Th_colspan="2"> (show) Transcriptions </Th> </Tr> <Tr> <Th_colspan="2"> Standard Mandarin </Th> </Tr> <Tr> <Th> Hanyu Pinyin </Th> <Td> yīnyáng </Td> </Tr>

Where did the yin and yang symbol come from