ekatma

tat-ekātma-rūpa the same form, nondifferent from svayaṃ-rūpa; CC Madhya 20.165
tat-ekātma nāma the name is tad-ekātma; CC Madhya 20.183
tat-ekātma-rūpe in the form of tad-ekātma; CC Madhya 20.184