noun, noun which may take the genitive case particle 'no'
big-sisterly disposition; natural inclination to look after others
Describes a woman who is caring, dependable, and takes on a protective, older-sister-like role toward others, often in social or workplace settings.
She has a big-sisterly disposition and often looks after her juniors.
That person has a caring, older-sister nature, so everyone relies on her.
世話好き refers to a general fondness for taking care of others, while 姉御肌 specifically implies a protective, older-sister-like attitude.
面倒見がいい describes someone who is good at looking after others, but 姉御肌 adds the nuance of a warm, sisterly personality.
Standard kanji spelling using 姉 (older sister).
Variant using 姐, which can carry a slightly more informal or tough nuance, but often used interchangeably.
Katakana spelling, sometimes used for stylistic emphasis or in casual writing.
Compound of 姉御 (あねご, 'elder sister' with an honorific/polite suffix) and 肌 (はだ, 'skin' or 'disposition'). The term figuratively refers to a personality type that is like an older sister.