The spelling of the word "Gillim" can be explained using the International Phonetic Alphabet (IPA). The word is pronounced /ˈdʒɪlɪm/. The first sound, /dʒ/, is the voiced palato-alveolar affricate. The second sound, /ɪ/, is the short vowel that sounds like "ih". The third sound, /l/, is the liquid consonant that sounds like the letter "L". Finally, the last sound, /ɪm/, is the suffix that means "belonging to" or "related to". Therefore, "Gillim" means "belonging to the Gillim family or group".