科

JŌYŌ KANJI · Grade 2

department

department · course · section

9 strokesRadical 115U+79D1
01

Readings

Official Jōyō readings in table order

On’yomi 音読み

カ

Kun’yomi 訓読み

None listed in this source.

02

Origin and meaning

A grain measure and grain together gave measuring, then sorting into branches or categories.

Earlier sense recorded in the sourceto measure and sort grain
Meanings in the learning dataset todaydepartment · course · section

Read the source entry ↗

03

Written form

No parenthesized form is given in the official Jōyō index for this character.

Dictionary radical禾のぎ · grain / two-branch tree
Stroke count9May vary for alternate forms.
UnicodeU+79D1Modern character encoding, not an origin date.

Compare manuscript and printed examples in the HNG historical glyph archive ↗. Where available, its dated samples document written forms; they do not establish the first use of this character in Japan.

04

Examples in the official table

  • 科学,教科,罪科
05

When did it enter Japanese?

Chinese characters reached Japan through a long process of contact. Early inscribed objects and sixth-century Japanese names are documented; this is context for the writing system, not a first date for 科.

科 appears in the current Jōyō kanji table published on 30 November 2010. This records modern standard status, not the date the character was first used in Japan.

A dated first Japanese use for 科 has not been verified in the sources attached to this entry.

Agency for Cultural Affairs: writing history ↗ · 2010 Jōyō notice ↗

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