Japanese symbol for “retrofit”

後付け

あとづけ

Romaji: atozuke

appendix; postscript; back matter

In Japanese, retrofit is 後付け, read あとづけ (atozuke).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

n appendix; postscript; back matter
n, vs, vt retrofit; post-installation; custom installation
n, vs, vt giving a reason afterwards; making an excuse after the event
n atozuke; tenpai hand with no guaranteed yaku, but can gain yaku upon obtaining a specific winning tile (mahj)

Written forms: 後付け、後付、後づけ、あと付け. Readings: あとづけ.

Kanji and stroke order

後

behind, back, later

on: ゴ、コウ
kun: のち、うし.ろ、うしろ、あと

9 strokes · JLPT 4

付

adhere, attach, refer to

on: フ
kun: つ.ける、-つ.ける、-づ.ける、つ.け

5 strokes · JLPT 2

Other Japanese words for “retrofit”

Word	Reading	Meaning
バックフィット	バックフィット bakkufitto	backfit; retrofit; backfitting

Related words

Words that share a kanji.

Word	Reading	Meaning
最後	さいご saigo	end; conclusion
今後	こんご kongo	from now on; hereafter
午後	ごご gogo	afternoon; p.m.
後半	こうはん kouhan	second half; latter half
後ろ	うしろ ushiro	back; behind; rear
直後	ちょくご chokugo	immediately following
付近	ふきん fukin	neighborhood; neighbourhood; vicinity
付属	ふぞく fuzoku	being attached (to); being affiliated (to); belonging (to)

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.