Étreindre belong to the 3
rd group. Étreindre is a common french verb.
Étreindre is conjugated the same way that verbs that end in :
-ndre
Étreindre is conjugated with
auxiliary avoir.
Étreindre verb is
direct transitive.
French verb étreindre can be conjugated in the reflexive form:
S'étreindre
Étreindre verb is a direct transitive verb, so passive voice can be used.