The Vietnamese word "duyên" is a noun that generally translates to "charm" or "grace" in English. It refers to a certain appeal or attractiveness that someone possesses, often related to personality, mannerisms, or an innate quality that draws others to them.
In summary, "duyên" is a versatile word that captures the essence of charm and grace, with layers of meaning that can pertain to personal attractiveness as well as fated connections between individuals.