godan verb (-ku), intransitive verb
to beat fast; to flutter; to throb
Describes the heart beating quickly or fluttering, typically from excitement, joy, anticipation, or romantic feelings. Often used in emotional contexts.
彼の笑顔を見ると胸がときめく。
My heart flutters when I see his smile.
新しい
My heart throbbed with excitement at the new encounter.