From Proto-Mon-Khmer *d(ɯə)ŋʔ (“to receive”). Cognate with Old Mon dūṅ (modern Mon ဒုၚ် (tɜ̀ŋ, “to receive, to accept”)).
Attested as đợng in the Dictionarium Annamiticum Lusitanum et Latinum (1651).
đựng • (𡓂, 𬪐)