ceremony, rule, affair, case, a matter
儀 centers on formal, structured conduct: a ceremony, a rule, or a matter handled with proper procedure. The idea of an affair or case extends naturally from a formal matter.
儀 combines 亻 (person) with 義, which likely contributes both sound and the idea of proper form or righteousness. Together they suggest a person acting according to proper form, hence ceremony or rule.
A person 亻 beside 義 (righteousness, proper form) suggests a person following proper form: a ceremony or rule.
For ギ, imagine a person in a ceremony wearing a gi (martial arts uniform): gi -> ギ, and the person follows the rules of the ceremony.
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ceremony; rite; ritual; service
funeral; funeral service
manners; courtesy; etiquette
unavoidably; necessarily; inevitably
ceremony
way (of doing things); method; style; fashion
manners; behavior; behaviour
courtesy; etiquette; formality; protocol
bow; bowing
celebration; celebratory event; wedding ceremony
troublesome (person, task, etc.); difficult
upright; honest; faithful; conscientious; sincere
Earth globe (model); terrestrial globe
state ceremony
wedding ceremony
standing on formality; in a reserved manner; treating a friend as a stranger; unduly distant; formal
ceremony; rite; ritual; service
sextant
bow; bowing (and greeting)
ceremonial weapon