noun which may take the genitive case particle 'no', noun
kitchen-related; cooking matters
Refers to things concerning the kitchen or cooking, often used in the context of household management.
I leave kitchen-related matters to my wife.
household finances; financial circumstances
Used for the financial side of running a household, such as budgeting and expenses.
Our household finances are tight, so we started cutting back.
Compound of 勝手 (kitchen; convenience) and 向き (direction; suitability). The exact historical derivation is uncertain, but the word has been used to refer to kitchen matters and, by extension, household finances.