ด้วย

Etymology
Reconstructed as *ʔduəi C1 in Proto-Tai (Li Fang-Kuei, 1977). Cognate with 🇨🇬, 🇨🇬, 🇨🇬.

Conjunction

 * 1)  because; as; since.

Adverb

 * 1) also; as well; too.

Preposition

 * 1) with; together with; along with.