[diphy-] or diphyo- comb form [NL, fr. Gk diphy-, fr. diphyes, fr. di- + phyein to bring forth--more at be]: double: bipartite "diphyodont"
DIPHY-
Meaning of DIPHY- in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012