upādā-rūpa:is,as such,an Abh.term,but it is used with the same meaning in the sutta texts,c.g.in M.9:' catunnañcamahābhūtānaṃupādāyarūpaṃ '.Upādā is an abbreviation of upādāya (gerund).
Buddhist Dictionary by NYANATILOKA MAHATHERA
Upādā-Rūpa
upādā-rūpa:'derived corporeality',signifies the 24 secondary corporeal phenomena dependent on the 4 primary physical elements,i.e.the sense-organs and sense-objects,etc.See khandha I; App.