Usages of tertius
Tertia hora discipuli iam fessi sunt, sed magister adhuc docet.
At the third hour the students are already tired, but the teacher is still teaching.
Tertia hora puer aegrotus iam dormit, et medicus de cura eius cum matre loquitur.
At the third hour the sick boy is already sleeping, and the doctor talks with the mother about his care.
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