Question

what was adi Shankaracharya contribution to the bhakti movement ,
short answer​

Answer 1

CE) was an Indian philosopher, theologian and is believed to be avatar of Lord Shiva whose works had a strong impact on the doctrine of Advaita Vedanta. He founded four mathas ("monasteries"), which are believed to have helped in the historical development, revival and propagation of Advaita Vedanta.

Answer 2

Answer:

He founded four mathas ("monasteries")