LATIN DICTIONARYLexicon Latīnum
adjective

at-tertĭātus

Meaning

  1. boiled down to a third part

at-tertĭātus (adt-), a, um, as if Part. of attertio, āre [adtertius],
I. boiled down to a third part: lixivium attertiatum, Plin. Val. 1, 29.

Quick answers

What does at-tertĭātus mean in Latin?
at-tertĭātus, a adjective, means “boiled down to a third part”.