Definition

1. Noun (colloquial):
   • The very root or origin: Refers to the deepest, most fundamental, or hidden source of something, often with a nuance of uncovering something secret or foundational.
   • The complete and utter beginning: Implies knowing or tracing something back to its absolute starting point.

Usage Examples

• Noun:
  • Hắn biết chuyện này đến tận tổ chấy. (He knows this matter down to its very roots.)
  • Cảnh sát điều tra để tìm ra tổ chấy của vụ án. (The police investigated to find the ultimate origin of the case.)

Advanced Usage

• The term is almost exclusively used in the fixed idiom "đến tận tổ chấy" or "biết tận tổ chấy", meaning "to know/understand something to its very core/foundation" or "to trace something to its ultimate source."

Variants and Related Words

• Nguồn gốc (n): Origin, source (standard, neutral term).

  • Nguồn gốc của sự việc rất phức tạp. (The origin of the incident is very complex.)

• Căn nguyên (n): Root cause, origin (more formal, often for problems).

  • Tìm ra căn nguyên của dịch bệnh. (To find the root cause of the epidemic.)

Synonyms

• Root: The basic cause, source, or origin of something.
• Origin: The point or place where something begins.
• Source: The place, person, or thing from which something originates.

Related Idioms

• Biết đến tận tổ chấy: To know something inside out; to be aware of the deepest origins or most hidden details of a matter.

  • Ông chủ biết công ty mình đến tận tổ chấy. (The boss knows his company inside and out.)

• Lần ra đến tận tổ chấy: To trace/follow something back to its very source.

  • Họ lần ra vụ bê bối đến tận tổ chấy. (They traced the scandal back to its very roots.)