Amoindrir belong to the 2
nd group. Amoindrir is a common french verb.
Amoindrir is conjugated the same way that verbs that end in :
-ir
Amoindrir is conjugated with
auxiliary avoir.
Amoindrir verb is
direct transitive.
French verb amoindrir can be conjugated in the reflexive form:
S'amoindrir
Amoindrir verb is a direct transitive verb, so passive voice can be used.