From Proto-Tai *swɯːnᴬ (“garden”). Compare Middle Chinese 園 (MC hjwon, “garden”). Cognate with Thai สวน (sǔuan), Northern Thai ᩈ᩠ᩅᩁ, Shan သူၼ် (sǔun), Ahom 𑜏𑜤𑜃𑜫 (sun), Zhuang suen.
ສວນ • (sūan)