adscititious
Concise Oxford English Dictionary © 2008 Oxford University Press:
adscititious /ˌadsɪˈtɪʃəs/
▶adjective rare additional.
– origin C17: from L. adscit-, adsciscere ‘admit, adopt’, + -itious2, on the pattern of adventitious.
'adscititious' also found in these Oxford entries:

