niên hiệu

[niən˧˧ hiəw˧˨ʔ]

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

(noun) an era name

Noun

Where it’s used: Used Toàn quốc & hải ngoại · Vietnam-wide & diaspora

Examples

Nguyễn Ánh lấy niên hiệu là Gia Long.Nguyễn Ánh started the Gia Long era.
Sau khi Nhật hoàng Akihito thoái vị, Thái tử Naruhito lên ngôi và lấy niên hiệu là Reiwa.After Emperor Akihito abdicated, Crown Prince Naruhito ascended the throne and started the Reiwa era.

Wiktionary example (CC BY-SA 4.0)

Sources & notes

Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗

Common questions

What does “niên hiệu” mean?

(noun) an era name

Is “niên hiệu” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.