trước

Etymology 1
From, from. Cognate with Malieng kələak⁸. Related to 🇨🇬 (whence 🇨🇬 kali̤aʔ).

Attested in Phật thuyết đại báo phụ mẫu ân trọng kinh (佛說大報父母恩重經) as (modern SV: ) and, alternative form of  (modern SV: ).

Alternative forms

 * (dialects with merger)

Preposition

 * 1) before (earlier than in time)
 * 2) in front of

Adverb

 * 1) before
 * 2) ago
 * 1) ago

Etymology 2
Attested in the Dictionarium Anamitico-Latinum (1838), Đại Nam Quấc âm tự vị (1895) as a Vietnamese morpheme, and in Tam Tự Kinh diễn nghĩa (1917) as the Sino-Vietnamese reading of.

Compare vs.,  vs..