That is a tip off of a neck yoke for either a buggy or a carriage.
Close.
I am gonna go with a "furniture foot"... an I will tell you why...
The end has been worn down... this is A-typical of a furniture foot.
When carriage utilization is considered... the wear will be on a side.
I am not familiar with one... could you find a pic and post... also OP would like as well... I am sure.