05/10/21 12:14:45
>> 466
Olivier, J.-P. Going up along absolutely flat morphisms. J. Pure Appl. Algebra 30 (1983), no. 1, 47--59.
I think your question is related to the content of this paper
and not so trivial. So I strongly recommend you to read it.
Absolutely flat morphism is more general than ind-etale maps.