Four-character phonetic transliteration.
格 (gé) is a workhorse first syllable for 'g-' in foreign names (compare
格林 Green,
格雷 Grey);
瑞 (ruì) handles 'r' in the second syllable;
克斯 (kèsī) is the standard rendering of '-x' / '-cks' endings. In Roman history, the Gracchi brothers (Tiberius and Gaius Gracchus) were 2nd-century BC reformers.
