Latin word artio comes from Latin artus, Proto-Indo-European *h₂r̥-ti-, Latin -fex (Denotes maker or performer.)
artus (Latin)
(figuratively) severe, strict, scanty, brief. Narrow, close, fitted, confined, dense.
*h₂r̥-ti- (Proto-Indo-European)
-fex (Latin)
Denotes maker or performer.
*h₂r̥tís (Proto-Indo-European)
fitting
artis (Latin)
artio (Latin)