Zi Collection, Page Position: Upper, Radical: Page (yè), Pronounced zhěn.
The "Book of Rhymes (Jiyun)" uses the characters 'zhi' and 'ren' for fanqie, pronounced the same as 'zhen'. The "Shuowen Jiezi" explains it as a haggard and dark facial complexion, resulting from cautious conduct. The character form is from the 'Page' radical, with 'zhen' as the phonetic component.
Additionally, the "Book of Rhymes (Jiyun)" offers another explanation: the meaning of shame.
Furthermore, the "Guangyun" uses the characters 'zhang' and 'ren' for fanqie, while the "Jiyun" uses 'zhi' and 'ren', pronounced the same as 'zhen'. The meaning is the same as previously described.
Additionally, the "Guangyun" records "zhan" and "lian" as referring to sparse hair. The "Wuyin Jiyun" writes it as <zhen zhen>. The "Jiyun" also writes it in this form.