Meaning of the Sanskrit Word: kiyan

  kiyan—what    SB 3.16.37, SB 5.10.13
  kiyan—how much    SB 6.16.42, SB 7.7.46
  kiyan—what is this    SB 3.3.14
  kiyan—of what extent    SB 6.9.42

Can't find any compound Sanskrit words containing kiyan.