fan-shaped paper for fans or parasols
Specifically refers to paper cut in a fan shape, used for making traditional fans (扇子) or parasols (傘).
The craftsman is pasting the fan-shaped paper onto the ribs of the folding fan.
ground paper; backing paper
Used as a base or backing layer in paper crafts, such as mounting artwork or reinforcing structures.
Backing paper is used for lining a hanging scroll.
Compound of 地 (ji, 'base, ground') and 紙 (kami, 'paper'), with rendaku voicing to がみ. The exact historical derivation is uncertain, but the term is conventionally associated with paper used as a base or for specific traditional crafts.