衣替え

Literally, “change of clothing”, compound of 衣(ころも) (koromo, “garment”) + 替(か)え (kae, “change, replacement”). The ka changes to ga as an instance of rendaku (連(れん)濁(だく)).

• IPA^(key): [ko̞ɾo̞mo̞ɡa̠e̞]

衣(ころも)替(が)え • (koromogae) 

1. a Japanese custom of changing wardrobes to align with the changing seasons
2. renovation; new look; facelift

衣(ころも)替(が)えする • (koromogae suru) intransitive suru (stem 衣(ころも)替(が)えし (koromogae shi), past 衣(ころも)替(が)えした (koromogae shita))

1. change one's wardrobe to match the season.
2. renovate; revise
   • 2024 May 9, 羽田次郎 [Jirō Hata], quotee, “第213回国会　参議院　農林水産委員会　第8号　令和6年5月9日 [213th Diet House of Councilors Agriculture, Forestry and Fisheries Committee No. 8 May 9, 2024]”, in 国会会議録検索システム [Diet Proceedings Search System]‎^[1], 国立国会図書館 [National Diet Library], retrieved 1 October 2025:

     先ほども何度もお話ありましたが、この改正案は、食料安全保障の確保を基本理念の一つに据えており、これは、現行の食料の安定供給の確保を衣替えする形で定められようとしています。

     Sakihodo mo nando mo o-hanashi ari mashita ga, kono kaiseian wa, shokuryō anzen hoshō no kakuho o kihon rinen no hitotsu ni suete ori, kore wa, genkō no shokuryō no antei kyōkyū no kakuho o koromogae suru katachi de sadamerare-yō to shite i masu.

     As I have mentioned many times before, this amendment bill has made ensuring food security one of its basic principles, and this is being formulated in the form of a revision of the current principle of ensuring a stable supply of food.