noun, noun which may take the genitive case particle 'no'
collateral line; subsidiary line; affiliate
Refers to a branch family, subsidiary line of descent, or an affiliated organization. Often used in genealogy, corporate structures, and historical contexts.
彼は傍系の子孫にあたる。
He is a descendant of a collateral line.
その会社は大
Mathematics term. A coset of a subgroup in group theory. See also 剰余類.
See also: 剰余類
That company is an affiliate of a major corporation.
In group theory, we consider cosets of a subgroup.
直系 refers to a direct parent-child bloodline, while 傍系 refers to a collateral line such as siblings or cousins.
collateral blood relative
Compound of 傍 (side, nearby) and 系 (lineage, system). The mathematical sense is a calque from Western mathematics.