รั่ว

From Proto-Tai *rwoːᴮ (“to leak”). Compare Old Chinese 漏 (OC *roːs, “to leak”). Cognate with Northern Thai ᩁ᩠ᩅᩫ᩵, Lao ຮົ່ວ (hūa), Shan ႁူဝ်ႈ (hō), Ahom 𑜍𑜢𑜤𑜈𑜫 (rüw), Zhuang roh, Nong Zhuang roh, Zuojiang Zhuang ruoh.

รั่ว • (rûua) (abstract noun การรั่ว)

1. to leak:
   1. to pass; to escape.

      น้ำ

      náam rûua

      Water leaks (as through a hole).

      ก๊าซ

      gáat rûua

      A gas leaks.

   2. to let (something) pass or escape.

      เรือ

      rʉʉa rûua

      The boat leaks.

      หลังคา

      lǎng-kaa rûua

      The roof leaks.

   3. to become known.

      ข่าว

      kàao rûua

      The news leaks (out).

      ข้อสอบ

      kɔ̂ɔ-sɔ̀ɔp rûua

      Exam papers leak.

รั่ว • (rûua) (abstract noun ความรั่ว)

1. (slang, mild vulgar, perhaps influenced by the term ไม่เต็ม) of unsound mind, mentally ill, mentally disordered; not all there; erratic, eccentric.