efektiivsustab
Efektiivsustab is a term that appears to be a misspelling or a non-standard variation of a word related to efficiency. In Estonian, the word for efficiency is "efektiivsus". The suffix "tab" does not have a clear grammatical or semantic role in standard Estonian that would combine with "efektiivsus" to form a recognized term.
It is possible that "efektiivsustab" could be a neologism, a portmanteau, or a term used in a
If the intention was to refer to efficiency itself, then "efektiivsus" is the correct Estonian word. This