Proto-Japanese: *sìmpù- / *sìpǝ̀
Meaning: 1 astringent, tart 2 salt
Russian meaning: 1 вяжущий, терпкий 2 соль
Old Japanese: sibu- 1, sip(w)o 2
Middle Japanese: sìbù- 1, sìfò 2
Tokyo: shibú- 1, shió 2
Kyoto: shíbù- 1, shíjo 2
Kagoshima: shibú- 1, shió 2
Nase: mà-šú 2
Shuri: mā́-sú 2
Hateruma: mà-sú 2
Yonakuni: mà-sú 2
Comments: JLTT 522, 525, 840. The words seem to be related, but the reason for voicing in sìbù- is not quite clear. japet-prnum,japet-meaning,japet-rusmean,japet-ajp,japet-mjp,japet-tok,japet-kyo,japet-kag,japet-nas,japet-shu,japet-hat,japet-yon,japet-comments,