The kanji 比 primarily conveys the idea of "comparison," "to compare," or "ratio." It implies assessing the similarity or difference between two or more things. It can also refer to proportions or relative amounts.

・On-yomi (音読み): ヒ (hi) ・Kun-yomi (訓読み): くら(べる) (kura(beru)) - to compare

⚫︎ 比較 (ひかく) Translation: comparison ⚫︎ 比例 (ひれい) Translation: proportion, ratio ⚫︎ 比べる (くらべる) Translation: to compare

I am unable to provide a reliable source of information about the correspondence between the kanji 比 and Vietnamese.

The kanji 比 is a pictograph. It depicts two people side-by-side, suggesting a comparison of their relative sizes or attributes. The original form of the character visually represents two individuals next to each other, indicating a comparison between them. Over time, the form simplified into its current shape.