1. A field or area of study, knowledge, or practice that is outdated or belongs to an earlier historical period
Latin is considered an archaic field of study by some modern universities.
O latim é considerado um campo arcaico de estudo por algumas universidades modernas.
2. In linguistics, a field of language or vocabulary that uses old-fashioned or obsolete words and expressions
The terminology used in medieval law represents an archaic field of linguistic study.
A terminologia utilizada no direito medieval representa um campo arcaico de estudo linguístico.