From Proto-Tai *C̬.luːpᴰ (“to stroke; to caress”). Cognate with Lao ລູບ (lūp), Shan လုပ်ႈ (lūp), Ahom 𑜎𑜤𑜆𑜫 (lup).
ลูบ • (lûup) (abstract noun การลูบ)