the world > space > relative position > closed or shut condition > that which or one who closes or shuts > a barrier > [noun] > hedge or fence > a fence > post-and-rail fence > post
fence-post1792
fencing post1877
1877 H. C. HodgeArizona 59 The forests of juniper will furnish large quantities of the most durable railroad ties, fencing posts.
1950 N.Z. Jrnl. Agric. Mar. 233/1 Pre-cast [concrete] products such as blocks and fencing posts.