To make someone or something accustomed again after a period of disuse or change.

पुनः अभ्यस्त करना

English Usage: After a long vacation, it took me some time to re-accustom myself to the early mornings.

Hindi Usage: लंबी छुट्टी के बाद, मुझे सुबह जल्दी उठने के लिए पुनः अभ्यस्त होने में कुछ समय लगा।