座布団

Compound of 座(ざ) (za, “seat”) + 布団(ふとん) (futon, “futon”). The futon reading for 布団 changes to buton as an instance of rendaku (連(れん)濁(だく)).

• (Tokyo) ざぶとん [zàbúꜜtòǹ] (Nakadaka – [2])
• IPA^(key): [d͡za̠bɯ̟tõ̞ɴ]

座(ざ)布(ぶ)団(とん) • (zabuton) 

1. Japanese cushion

• 座(すわ)る (suwaru): to sit
• 布(ふ)団(とん) (futon): futon, Japanese mattress and duvet

座(ざ)布(ぷ)団(とん) • (zaputon) 

1. (dialect, Ibaraki) Japanese cushion

• “座布団”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2026