Note 8 — Chapter XII · PURUSHAPURA, OR PESHAWUR. PROPHECY ABOUT KING KANISHKA AND HIS TOPE. BUDDHA’S ALMS-BOWL. DEATH OF HWUY-YING.
James Legge translation
(8) The text is simply “those in white clothes.” This may mean “the laity,” or the “upasakas;” but it is better to take the characters in their common Chinese acceptation, as meaning “commoners,” “men who have no rank.” See in Williams’ Dictionary under {.}.