零 means “zero”

れい · rei

Also: spill, overflow, nothing

Kun'yomi (Japanese reading)
ぜろ, こぼす, こぼれる
On'yomi (Chinese reading)
レイ

Taught in secondary school · 13 strokes

The story

Before the first stroke, there is silence. Zero is the emptiness from which all numbers emerge.

Used in formal contexts; you may also see ゼロ (zero) borrowed from English

Its parts

Rain (雨) falling in ordered (令) drops: zero, nothing remains

More from Ancient Counting

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.