köken: Inherited from Proto-Vietic *b-luː, from Proto-Mon-Khmer *ml(əw) (“betel”). Cognate with Bahnar bơlŏu, Mon ဇဗၠူ (həplùˀ) and Khmer ម្លូ (mluu).Compare Chinese 蔞 /蒌 (lâu). Attested as Northern Middle Vietnamese blầu in the Dictionarium Annamiticum Lusitanum et Latinum (1651). The formal name (tên chữ) of Phù Lưu village (扶留 (MC bju ljuw)) in Bắc Ninh, whose demotic name (tên Nôm) is Giầu, attests…
aile: miếng trầu là đầu câu chuyện, trầu cau, trầu không
betel nut and betel leaf wrap chewed with lime (may include chewing tobacco)
köken: From Chinese, according to Serrano-Laktaw (1914). According to Manuel (1948), the term came from Chinese [script needed] (*hotitso, “name of a nut like the betel-nut which yields a sticky substance used for strengthening thread, etc.”). See also Hokkien 核桃 (hu̍t-thô, “walnut”) and English catechu. Zorc (1982) disagreed with its Chinese origin, and proposed Spanish hecho (“done; made”).