The spelling of the name "Allan Gary" is straightforward and follows English orthography conventions. "Allan" is spelled with two L's and a single N, while "Gary" is spelled with a G, an A, an R, and a Y. In phonetic transcription, this name would be written as /'ælən 'ɡɛri/. The first syllable of "Allan" has a short A sound, while the second syllable has a schwa vowel. The second word is pronounced with a hard G sound, followed by an E sound and a long R sound, ending with a long I sound.
The word "Allan Gary" does not have a specific etymology. It appears to be a combination of two names, "Allan" and "Gary", which are both common given names. The origins of the names "Allan" and "Gary" can be traced to different origins.
1. Allan: The name "Allan" is derived from the Celtic name "Alan" or "Alain", which means "little rock" in Gaelic. It is believed to have originated in Scotland or Ireland.
2. Gary: The name "Gary" is primarily of English origin and is derived from the Old English word "gar", meaning "spear". It was commonly used as a given name in medieval England.
As for why the two names "Allan" and "Gary" are combined, it would depend on the context or personal preference of individuals.