a side dish / a tangent, a digression, something to the side of the main thing

【Conjunction】after; on the basis of; upon

upper, over

the first volume in a two- or three-volume set

the start / a high place; the top / one with higher rank

one day

お誕生日おめでとうございます: happy birthday

珊々, 珊珊: / 毿々, 毿毿: / 潸々, 潸潸: / 燦々, 燦燦, 粲々, 粲粲: brilliant, bright

三々, 三三:

(literally) for a dam to break and water to burst forth / (figuratively) to burst forth (e.g. tears, words, a crowd)