fold sth into sth
phrasal verbwithfoldverb[I]uk/fəʊld/us
to make asmallerbusinesspartof alargerone byjoiningthem together:
The company's investment-bankingarmwasfoldedinto a newgroupearlierthisyear.
to make somethingsmallpartof somethinglargerbyjoiningthem together:
As thosefeesarefoldedinto the newmortgage, thelenderstripsaway moreequityandleavestheborrowerwithevenmoredebt.