1)Shortened version of the word "another"more...
It actuality is a shortened version of "another" - which is used by many people, even those who practice using grammatical correctness. It occurs naturally when the person is speaking too fast, and the sound of the letter "a" comes across as: an out going breath of air, or at a much lower octave than usual; therefore sounding absent. To write, "nother" rather than "another" is actual a "written vocalization" to emphasize haste, or pertinence, which otherwise, needs an entire phrase or sentence to drive the point home.
However, the colloquial frequency of the usage of "nother" slowly got carried into a variety of word groupings.
As the letter "a" is phonetically an out going breath at a certain octave, a rapid speech makes the "a" inaudible as anything except for the breath. (likewise the letter e is an incoming breath at a different octave).
It most frequently is found at the beginning of a sentence or directly after the word "And" as the second wo...