Correct spelling for the English word "Adollf" is [ˈadɒlf], [ˈadɒlf], [ˈa_d_ɒ_l_f] (IPA phonetic alphabet).
The word Adolf is of German origin. It comes from the Old High German name Adalwolf, which combines the elements adal, meaning noble, and wolf, meaning wolf. Over time, the name evolved and became commonly spelled as Adolf. It is a compound name that carries the meaning of noble wolf.