Note: Latin templum has been traditionally derived from the Indo-European verbal base tem- "cut" (see tome), on the assumption that the original templum was a space "cut out" by the augur; the suffix would presumably be -lo-, with the -p- secondary. Greek témenos "sacred precinct" has been compared. More recently templum as been associated with a putative *temp- "stretch, extend," assuming a further sense "measure" (see tempo); the templum would then be a space "measured" by an augur.

Note: On the assumption that Latin tempor-, tempus "time" meant originally "stretch, extent" (see tempo) tempus "temple" has been taken as a semantic bifurcation of the same word, the temple of the head being the place where the skin is stretched tightly against the skull. Compare Old Norse þunn-vangi, Old High German dunnwangi "temple," literally, "thin-cheek."