A plant that grew in my house, unexpectedly. Moved outside when it got too big

A plant that grew in my house, unexpectedly. Moved outside when it got too big

Observation - A plant that grew in my house, unexpectedly. Moved outside when it got too big - UK and Ireland. Description: Appears Evergreen inasmuch as its leaves don't go brown, they just fall off occasionally since the weather got colder outside. There are thorns of the stem but not many.

Appears Evergreen inasmuch as its leaves don't go brown, they just fall off occasionally since the weather got colder outside. There are thorns of the stem but not many.