卅
thirty
Strokes4
Readings
On'yomi
- ソウ
Kun'yomi
- さんじゅう
Meaning
卅 represents the number thirty, formed by combining three tens (十) into a single character.
Study
Etymology
卅 is a ligature of three 十 (ten) characters, directly representing thirty. The form is a straightforward combination of its numeric parts.
Meaning mnemonic
See three 十 shapes merged together: ten, ten, ten makes thirty.
Reading mnemonic
For ソウ, imagine a person counting thirty items and saying 'so many!' — 'so' cues ソウ, and the three tens reinforce the number.