The spelling of the word "Jarran" is based on the English language phonetic rules. The word is pronounced as dʒæræn, with the "j" sound in the beginning, followed by the vowel "a" pronounced as ӕ, then the consonant "r", again the same vowel "a", and finally the consonant "n". The word is believed to have originated from the Arabic language, where the word "jarran" means "a small jar or pot." However, the spelling of the English word has evolved through its use and pronunciation over time.