Origin: Latin suffix -tion
Affection has 3 different meanings across 1 category:
a positive feeling of liking
"he had trouble expressing the affection he felt"
"the child won everyone's heart"
"the warmness of his welcome made us feel right at home"
The act of affecting or acting upon.
"The new policy was designed to have an immediate affection on local business revenues."
In plain English: Affection is when you genuinely care about someone and show it through kindness, hugs, or warm feelings toward them.
"She showed her affection for him by giving him a warm hug every morning."
To feel affection for.
"She showed her deep affection for her elderly cat by gently stroking its soft fur every evening."
The word entered Middle English via the Old French affection, which was borrowed directly from the Latin noun meaning "a feeling or passion." It combines the root for "to feel" with a suffix indicating an action, preserving its original sense of emotional state when it arrived in English.