The Hebrew that is translated as “(the) deep” in English is translated in Luba-Lulua as “a very deep hole in which there is water.” (Source: Jan Sterk)

In the Swabian 2007 translation by Rudolf Paul it is translated as Urmeer or “primordial ocean.”

See also John Roberts’ Biblical Cosmology: The Implications for Bible Translation in Journal of Translation 2013/2, p. 1ff .