Definition

1. Adjective (Linguistics):
   • Diachronic: Relating to the historical development and changes in a language or linguistic phenomena over a period of time. It involves analyzing language through its evolution across different historical stages.

Usage Examples

• Adjective:
  • Ngôn ngữ học lịch đại nghiên cứu sự thay đổi của âm vị học qua các thế kỷ. (Diachronic linguistics studies the change in phonology across centuries.)
  • Phân tích lịch đại là cần thiết để hiểu nguồn gốc của từ này. (A diachronic analysis is necessary to understand the origin of this word.)

Advanced Usage

• This term is primarily used in academic and linguistic contexts. It is often contrasted with "đồng đại" (synchronic), which refers to the study of a language at a single, specific point in time without considering its historical development.

Variants and Related Words

• Tính lịch đại (n): Diachrony. The property or study of phenomena from a diachronic perspective.
  • Tính lịch đại và tính đồng đại là hai góc nhìn cơ bản trong ngôn ngữ học. (Diachrony and synchrony are two fundamental perspectives in linguistics.)

Synonyms

• Historical (in a linguistic context).
• Evolutionary (pertaining to language change).

Related Terms and Concepts

• Đồng đại (adj): Synchronic. Pertaining to the state of a language at a particular point in time.
• Ngôn ngữ học lịch đại (n): Diachronic linguistics. The branch of linguistics concerned with the historical development of languages.