fingerpost

/ˈfɪŋ.ɡə(ɹ)ˌpəʊst/

Etymology

From finger + post.

fingerpost means A board that shows the direction (and often distance) to a named place; especially one of several attached to a milepost. Lexicurio rates it Sui generis — a strength score of 88 out of 100.

noun

A board that shows the direction (and often distance) to a named place; especially one of several attached to a milepost.
The milepost itself.“...some hint, which, besides confirming him in the theory of virtue, may, likewise, serve for a finger-post to virtuous action.”