entries → 一旦
TSUMUGU · TOCFL 5 (est.) · 詞
一旦 word · TOCFL 5 (est.)
一旦 =
ㄧ ㄉㄢˋ · yīdàn
conjunction — once; in the event that

字源 FORM — what the parts do

one; once (一次)
daybreak; a day (元旦)dàn
一旦,一次的一,元旦的旦。

故事 STORY — a scene to remember it by

太陽從地平線()上升起()——天亮,事情就來了。
The sun lifts over the horizon line (一) at daybreak (旦) — and once day breaks, the thing is upon you.
字源記憶法