naṭû (2)
1) intransitive : to be possible , to be feasible , to be proper / to do ; 2) adjectif : possible / potential , feasable , pracicable / thinkable ; 3) appropriate , fitting , adequate ; ḫasāsiš lā naṭû : inconceivable , unthinkable , imponderable , out of question (?) ; lā naṭû : impossible , unsuitable / inadequate , not working (?)