か	っ
勝

て
手

noun, adjectival noun or quasi-adjective

1. one's own convenience, one's way, selfishness.

noun

1. surroundings, environment, way of doing things.
2. convenience, ease of use.
3. financial circumstances, living, livelihood.
4. kitchen.
5. right hand (in archery), hand that pulls the bowstring.

noun used as a prefix

1. unauthorized (e.g. phone app, WWW site), unofficial.