subjoin
Concise Oxford English Dictionary © 2008 Oxford University Press:
subjoin/səbˈʤɔɪn/
▶verb formal add (comments or supplementary information) at the end of a speech or text.
– origin C16: from obs. Fr. subjoindre, from L. subjungere, from sub- ‘in addition’ + jungere ‘to join’.
'subjoin' also found in these Oxford entries:

