Pictus

Etymology
Superficially from Latin, but probably rendering a autonym, probably related to the origin of another   tribe, the  (compare ); perhaps from a , , the /Q-Celtic version of the Brittonic/P-Celtic , whence 🇨🇬, 🇨🇬, , ultimately from. Guto Rhys has noted a possible connection to 🇨🇬, perhaps attesting the same element as 🇨🇬, although the etymology is uncertain, it would presumably derive from a. More at Wikipedia.

Proper noun

 * 1) a Pict, a resident of early Scotland