Ever since jesus came.
Your sister's husband is your brother-in-law but the English language has no special term for the brother of your brother-in-law.
The wife of your brother is your sister-in-law.
Your brother's wife is your sister-in-law. The English language has no relationship term for the brother of your sister-in-law. He is not considered to be related toyou, although he is your brother's brother-in-law.
Bubby is like calling a brother or sister a brother or sister. I call my brother bubby!! Also, bubby is an endearing yiddish term for grandmother.
In the English language it does not matter whether it is your elder brother or your younger brother. It does not matter if you are talking about the child of a brother or a sister. The daughter of any brother or sister is your niece. The son of any brother or sister is your nephew.
The term for sister-in-law in Hindi is "भाबी" (bhaabi) for brother's wife and "देवरानी" (devarani) for husband's sister.
The term is hyphenated "sister-in-law" (husband's or wife's sister, or brother's wife).
Your brother-in-law is either the husband of your sister or the brother of your spouse.Where your brother-in-law is the husband of your sister, there is no relationship name in the English language to describe his brother's relationship to you. However, in that situation your brother-in-law's brother is your sister'sbrother-in-law.Where your brother-in-law is the brother of your spouse, his brother is also your brother-in-law.
Your brother's son is your nephew, but the English language has no term for a relationship between you and the wife of your nephew. If you have to refer to her other than by name, the best you can do is call her "my nephew's wife" or "my brother's daughter-in-law."
Your sister's husband is your brother-in-law but English has no term for his sister's relationship to you. The dominant cultures of Europe and North America do not consider your sister's husband's sister to be related to you. The closest you can som is to call her you "brother-in-law's sister."
If your sister-in-law is your spouse's sister, her brother is your spouse's brother and therefore is your brother-in-law, or perhaps your husband. If your sister-in-law is the wife of your brother, her brother is your brother's brother-in-law but is not related to you. The English language has no relationship term for the brother of your sibling's spouse.
It is your sister's or brother's son, your adopted sister's or brother's son or your half sister's or brother's son. That would make you an aunt or uncle.