An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) To be close to or in contact with.
2) To attach or append (dictionary.com).

M.E., from O.Fr. ajoindre"join together, unite," from L. adjungere "fasten on, harness, join to," from → ad- "to" + jungere "to bind together," cognate with → yoke.

Âbandidan, âbanidan, from prefix â- + band, vand, bastan, in dialects contracted to ban-, van- "to bind, attach," → band, + -idan infinitive suffix.

Literally "joined to." → adjoint matrix.

→ adjoin.

The → transpose of a → matrix in which each → element is replaced by its → cofactor. Same as → conjugate transpose and → Hermitian conjugate.

→ adjoint; → matrix.