noun
Respectful term for one's own older brother or addressing an older brother figure. More formal and polite than 兄さん.
See also: 兄さん (にいさん)
兄様、お手紙が届いています。
Older brother, a letter has arrived for you.
私の兄様は医者です。
My older brother is a doctor.
兄さん is a common, affectionate term for an older brother; 兄様 is more formal and respectful, often used in traditional or polite contexts.
Compound of 兄 (ani, 'older brother') with the honorific suffix 様 (sama). The reading にい is a variant of あに used in compounds.