<Li> W. Gary Ernst, American geologist specializing in petrology and geochemistry </Li> <Li> Wolfgang Ernst, (1956), German lawyer and legal historian </Li> <Table> <Tr> <Th_colspan="2"> Ernst </Th> </Tr> <Tr> <Th> Pronunciation </Th> <Td> / ˈɜːrnst / URNST German: (ˈɛʁnst) </Td> </Tr> <Tr> <Th> Gender </Th> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Origin </Th> </Tr> <Tr> <Th> Word / name </Th> <Td> Germanic </Td> </Tr> <Tr> <Th> Meaning </Th> <Td> Serious (person) </Td> </Tr> <Tr> <Th_colspan="2"> Other names </Th> </Tr> <Tr> <Th> Related names </Th> <Td> Ernest, Ernie </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Ernst </Th> </Tr>

Where does the last name ernst come from