affinal

Of a family relationship by marriage of a relative (or through affinity), as opposed to consanguinity; in-law.

Adjective

  1. Of a family relationship by marriage of a relative (or through affinity), as opposed to consanguinity; in-law.
    • The names of their affinal relatives must be avoided in speaking either to a man or woman, or even when speaking in their presence. - 2018, Daniel Elazar, Kinship in the Admiralty Islands, Routledge, →ISBN:

    Antonyms: consanguine

Origin

Etymology tree Latin affīnis Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English affinal From Latin affīnis (“kindred”) + English -al.