köken: Inherited from Old French dé, of obscure origin: perhaps from a Vulgar Latin *dadu, itself from Latin dātum, or alternatively of Arabic origin; cf أَعْدَاد (ʔaʕdād). Compare Catalan dau; Italian, Portuguese, and Spanish dado.
köken: From Proto-Tai *ɗɤjᴬ (“good”). In Southwestern Tai, cognate with Northern Thai ᨯᩦ (di), Lao ດີ (dī), Lü ᦡᦲ (ḋii), Shan လီ (lǐi), Tai Dam ꪒꪲ, Tai Dón ꪒꪲ, Ahom 𑜓𑜣 (dī), 𑜃𑜣 (nī) or 𑜑𑜣 (hī). In Central Tai, cognate with Tày đây. In Northern Tai, cognate with Zhuang ndei, Bouyei ndil. Compare Sui qdail (“good”), Southern Kam lail (“good”).
köken: Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Old Galician-Portuguese de Galician de Inherited from Old Galician-Portuguese de, from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *déh₁, from *de + *-h₁. Cognate with Portuguese de.
köken: Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Old Occitan de Occitan de Inherited from Old Occitan de, from Latin dē, from Proto-Italic *dē, from Proto-Indo-European *déh₁, from *de + *-h₁.