Tiếng Việt · Word Attested

căn

[kan˧˧]

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

Sense 1

Both English Tiếng Việt

Meaning · English

(noun) root; cause, origin, source

Nghĩa · Tiếng Việt

nguyên nhân, nguồn gốc

Machine-translated — suggest a fix

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

Sources & notes

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

Meaning · English

(noun) clipping of căn thức: root

căn bậc 2square root

Căn bậc 2 của 4 bằng 2.The square root of 4 is 2.

Wiktionary example (CC BY-SA 4.0)

Both English Tiếng Việt

Meaning · English

(noun) (short for căn (thức) bậc hai) square root

Nghĩa · Tiếng Việt

căn bậc hai

Machine-translated — suggest a fix

Căn (của) 4 bằng 2.The square root of 4 is 2.

Wiktionary example (CC BY-SA 4.0)

Both English Tiếng Việt

Meaning · English

(classifier) indicates diseases, illnesses

Nghĩa · Tiếng Việt

chỉ bệnh tật

Machine-translated — suggest a fix

What does “căn” mean?

(noun) root; cause, origin, source

Is “căn” formal or informal?

căn is generally informal.