belly; flanks
Archaic term for the belly or flanks. In modern Japanese, お腹 (おなか) or 腹 (はら) are used instead.
In old documents, expressions like 'don't let your belly get cold' can be found.
Compound of 太 (ふと, 'thick, fat') and 腹 (はら, 'belly'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning.