deep-rooted

adjective
UK /ˌdiːpˈruːtɪd/
US /ˌdiːpˈruːtɪd/

Something deep-rooted has been there for a very long time and is hard to change.

Her love of reading is deep-rooted because she started when she was little.


OTHER MEANINGS

2. Having roots that grow far down into the ground.

The deep-rooted oak tree stood strong in the storm.

3. Belonging strongly to a place or group for a long time.

The festival is a deep-rooted tradition in their town.

4. A feeling or belief that is very strong and hard to remove.

He has a deep-rooted fear of spiders.