Étreindre belong to the 3rd
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
French verb étreindre can be conjugated in the reflexive form: S'étreindre
verb is a direct transitive verb, so passive voice can be used.