from elsewhere
• (adv. & a.) From another source; from elsewhere; as, a case proved aliunde; evidence aliunde.
The Latin term 'Aliunde' means, in a UK legal context: 'from elsewhere' or 'from a different source'.
A`li·un'de adverb & adjective [ Latin ] (Law) From another source; from elsewhere; as, a case proved aliunde ; evidence aliunde . 
From elsewhere, or, from a different source
not part of or derivable from the document or instrument itself: evidence aliunde.