adject
transitive verb
ad·ject
ə-ˈjekt,
a-
-ed/-ing/-s
archaic
: to add or annex : join
adjection noun
ə-ˈjek-shən
plural -s
archaic 
Word History
Etymology
Middle English adjecten "to say in addition, attribute, annex," borrowed from Latin adjectus, past participle of adjicere "to throw at, attach, contribute, add to (in speech or writing)," from ad- ad- + jacere "to throw"
First Known Use
15th century, in the meaning defined above