tribe
傈 centers on a specific ethnic or social group: a tribe. The meaning is narrow and refers to a collective identity.
傈 combines 亻 (person) with 栗, which likely contributes the sound. The character is used specifically for the name of a tribe.
A person 亻 beside 栗 (chestnut) suggests a group of people gathering chestnuts together: a tribe.
For リツ, imagine a tribe that ritually gathers chestnuts: the ritual chestnut gathering cues リツ.
—