ဂၞဴအာ

Mon

ဂၞဴ (gnau, “abdomen, belly”) +‎ အာ (ʼā, “to go”); compare also Burmese ဝမ်းသွား (wam:swa:, “to have loose bowels”) and Thai ท้องเดิน (tɔ́ɔng-dəən, “to have diarrhoea”), both of which have the same construction.

ဂၞဴအာ (gnau ʼā)

(Kaw Kyaik) to have normal motions of the bowels, empty the bowels, defecate, have loose bowels.^[1]^[2]
Synonyms: ဂၞဴလီု (gnau ləṁ), ဂၞဴကွာ် (gnau kwāk), ဂၞဴပု (gnau pu), (Kaw Kyaik) ပု (pu), (Pak Kret District) ဗုင်လီု (buṅ ləṁ)

↑ ^1.0 ^1.1 Shorto, H.L. (1962) A Dictionary of Modern Spoken Mon‎^[1], London: Oxford University Press. Searchable online at SEAlang.net.
^ จำปี ซื่อสัตย์ [Champi Suesat] (2007[2008]) “ท้องเดิน; ท้องร่วง”, in พจนานุกรมไทย-มอญ สำเนียงมอญลพบุรี [Thai-Mon (Lopburi Dialect) Dictionary] (in Thai), ปทุมธานี [Pathum Thani]: วัดจันทน์กะพ้อ [Chan Kapho Temple], page 97 Pronunciation is based on transcription from เฮนี่ยอา in Thai script, but note that not like Thai, Mon has no distinction in either tone or vowel length.