A part
祖
Shown as a part of 2 words so far, read one way.
そ 2 words
- 祖父そふgrandfather
祖父 · here “ancestor”
- 祖母そぼgrandmother
祖母 · here “ancestor”
Also written with 祖
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.