dì
sequence
Originally a variant of 弟 (younger brother), which originally meant "order".
Seal script
Clerical script
Regular script
dì
sequence, number; grade, degree; (prefix indicating ordinal number, e.g. first, number two etc); order; (old) rank in the imperial examinations; mansion; (literary) but; just
季旭昇《說文新證》p.478