A tithe barn was a type of barn used in the Middle Ages for storing the tithes - a tenth of the farm's produce which had to be given freely to the church.
There are many surviving examples of medieval tithe barns in England:
There are still many examples of tithe barns around England.
... that occurs, particularly between word-boundaries, in spoken language generally, but is codified in Sanskrit and written down. A simple example of English sandhi is ...