This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
The exact historical development is uncertain. The modern form visually combines 耳 (ear) and 毛 (hair), but the original meaning and component relationship are unclear.
The kanji visually combines ear 耳 and hair 毛. Imagine a decorative tuft of hair near the ear, like an ornamental plume, but its actual meaning is uncertain.
For ジ, picture a decorative earring with a tuft of hair, and think of it as a piece of jewelry: jewelry -> ジ.