<Tr> <Th> ī </Th> <Td> long i </Td> <Td> / iː / </Td> <Td> / i / (i (ː)) </Td> <Td> i </Td> <Td_colspan="2"> / i / </Td> <Td> / i / </Td> <Td> / i / </Td> </Tr> <Tr> <Th> ȳ </Th> <Td> long y </Td> <Td> / yː / </Td> </Tr> <Tr> <Th> i (ĭ) </Th> <Td> short i </Td> <Td> / i / (ɪ) </Td> <Td> / ɪ / (ɪ (ː)) </Td> <Td> ẹ </Td> <Td_colspan="2"> / e / </Td> </Tr> <Tr> <Th> y (y̆) </Th> <Td> short y </Td> <Td> / y / </Td> </Tr>

How do languages diffuse from their place of origin