The word "雅克" is formed through phonetic transliteration, where the characters are selected solely for their sound to approximate a foreign name, such as "Jacques" in French; "雅" (yǎ) corresponds to the "Ja" or "Ya" sound, and "克" (kè) corresponds to the "cques" or "ke" sound, resulting in a combined representation that mimics the original pronunciation without conveying inherent meaning from the characters.