Reconstruction:Proto-Austroasiatic/ʔaːŋ

Etymology

 * Proto-Austroasiatic: *ʔaːŋ (Sidwell, 2024, #AA166)
 * Proto-Mon-Khmer: *ʔaaŋ (Shorto, 2006, #484)

For the initial *h in 🇨🇬, compare the cases of, , , ,.

This root appears to be highly ideophonic and seems to be related to a variety of words in almost all branches:
 * *paaŋ "mouth, mouthful" (whence 🇨🇬), *ʔoal-faːŋ "mouth", 🇨🇬, 🇨🇬, 🇨🇬 [of Chantaburi] paːŋ ("flower")
 * *raaŋ "to open, to bloom" (whence ), 🇨🇬, 🇨🇬, 🇨🇬
 * 🇨🇬 < opening
 * 🇨🇬, 🇨🇬 jaːŋ ("to divorce, be divorced")
 * 🇨🇬 < opening
 * 🇨🇬, 🇨🇬 jaːŋ ("to divorce, be divorced")
 * 🇨🇬, 🇨🇬 jaːŋ ("to divorce, be divorced")

Verb

 * 1) to open
 * 2) to gape

Descendants

 * Aslian:
 * Senoic
 * Semai:
 * (Sidwell, 2018)
 * (Sidwell, 2013)
 * Khmu:
 * Cuang: ʔaːŋ
 * Mlabri: ʔɯŋ-ʔaŋ
 * Nicobarese: *ʔaːŋ	(Sidwell, 2018)
 * (Sidwell, 2015)
 * Lamet: ʔaːŋ
 * Riang:
 * Lang: ʔɑŋ¹
 * Sak: ʔɑŋ¹
 * (Ferlus, 2007)
 * Sak: ʔɑŋ¹
 * (Ferlus, 2007)