禮
レイ, ライ, ひろ, れ
social custom, manners, courtesy, rites
JLPT0 G13 S0 F5000
The relevant seal inscription form of the right-hand element is 豆 food stand + grain piled atop in an orderly arrangement. 禮 adds 示 altar/the supernatural → well-ordered, lengthy ritual → *propriety* → *salutation*. Distinguish the right-hand element in this character from the independent character 豊, which is a Shinjitai (new character form) of 豐.
[Full Kanji Etymology List]