Donald is a Scottish masculine given name. It is derived from the Gaelic name Dòmhnall. This comes from the Proto-Celtic *Dumno-ualos ("world-ruler" or "world-wielder"). The final -d in Donald is partly derived from a misinterpretation of the Gaelic pronunciation by English speakers. A short form of Donald is Don, and pet forms of Donald include Donnie and Donny. The feminine given name Donella is derived from Donald. Scottish Gaelic Dòmhnall, Domhnull and Dòmhnull; Welsh Dyfnwal and Cumbric Dumnagual. Although the feminine given name Donna is sometimes used as a feminine form of Donald, the names are not etymologically related.