-ition
1.
a compound suffix of nouns, being
-tion
with a preceding original or formative vowel, or, in other words, a combination of
-ite
2.
and
-ion
:
expedition; extradition.
Origin
<
Latin
-itiōn-
or
-ītiōn-,
stem of
-itiō
or
-ītiō.
See
-ite
2
,
-ion