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Kotomora

介

jammed in, shellfish, mediate, concern oneself with

JLPTN2StatusJōyō · secondary schoolFrequencyTop 1,000Strokes4

Readings

On'yomi

  • カイ

Kun'yomi

—

Nanori

  • すけ
  • ゆき

Meaning

介 centers on being positioned between two things: physically jammed in, acting as a mediator, or involving oneself in a situation. The shellfish sense is a separate, less common meaning that does not clearly connect to the core idea of intermediacy.

Most common words using 介

20 of 131
  • 紹介しょうかい
    N5

    introduction; presentation; referral; showcase (of a product)

  • 介護かいご
    N2

    nursing; care; caregiving; caring

  • 介入かいにゅう
    N1

    intervention

  • 厄介やっかい
    N3

    trouble; burden; nuisance; bother; worry

  • 介するかいする

    to use as an intermediary

  • 仲介ちゅうかい
    N1

    agency; intermediation

  • 魚介ぎょかい

    marine products; seafood; fish and shellfish

  • 媒介ばいかい

    mediation; agency; serving as a medium; acting as an intermediary; acting as a go-between

  • 介すかいす

    to use as an intermediary; to mediate; to assist

  • 介助かいじょ

    help; assistance; aid

  • 介抱かいほう
    N1

    nursing; looking after

  • お節介おせっかい
    N1

    meddling; meddlesomeness; nosiness; interference; officiousness

  • 介在かいざい

    existing (between); interposition; intervention; involvement

  • 一介いっかい

    a mere ...; only a ...; insignificant

  • 介錯かいしゃく

    beheading (as the ending to a seppuku)

  • 介添えかいぞえ

    helper (e.g. for a sick person); assistant

  • 魚介類ぎょかいるい

    marine products; seafood; fish and shellfish

  • 自己紹介じこしょうかい
    N2

    self-introduction

  • 紹介文しょうかいぶん

    introductory text; introductory essay

  • 紹介者しょうかいしゃ

    person who introduces someone; introducer

Explore all words using 介 →

Study

Etymology

介 is traditionally explained as a person 人 flanked by two marks representing boundaries or armor, conveying the idea of being between or mediating. The shellfish meaning is likely a borrowing or separate development.

Meaning mnemonic

Picture a person 人 standing between two vertical barriers, jammed in and forced to mediate. The two strokes on either side represent the boundaries they are caught between.

Reading mnemonic

For カイ, imagine a mediator trying to calm a heated argument by shouting 'KAI!' like a sharp, interrupting sound. The mediator is jammed between the two sides, and the sound 'KAI' breaks the tension.