Reconstruction:Proto-Austroasiatic/roaj

• Proto-Austroasiatic: *roaj (Sidwell, 2024, #AA028)
• Proto-Mon-Khmer: *ruj ~ *ruuj ~ *ruəj ~ *ruhaj (Shorto, 2006, #1534)

This word is often found in a compound with the meaning of "birthmark" or "mole" in descendant languages (cf. Khmer ប្រជ្រុយ (prɑcruy), Vietnamese mụt ruồi, nốt ruồi, Khmu ʔiək rɔːj).

*roaj

1. fly (insect)

• Aslian: *ruəy (Phillips, 2012)
  • Semelaic
    • Semelai: rɔj
  • Senoic
    • Semai: rooy
    • Temiar: rewai
• Proto-Bahnaric: *rɔːj (Sidwell, 2011) (see there for further descendants)
• Proto-Katuic: *ʔarɔɔj (Sidwell, 2005)
  • Bru: rṳaj
  • Kui: ʔarṳaj
  • Ngeq: rɔːj
  • Ong: rɔɔ̰j
  • Pacoh: riroi
• Khmeric
  • Khmer: រុយ (ruy)
• Khmuic: *rɔːj (Sidwell, 2013)
  • Khmu: rɔːj
  • Mlabri: rɔːj
  • O'du: ruːj
• Monic: *ruuj (Diffloth, 1984)
  • Mon: ရဲု
• Munda
  • North Munda
    • Santali: ᱨᱳ (ro, “fly”)
  • Sora–Gorum
    • Sora: [script needed] (roːj)
• Nicobaric: *ɹuːj (Sidwell, 2018)
  • Car Nicobarese: ṛūöi
  • Central Nicobaric
    • Nancowry: yūe
• Proto-Palaungic: *rɔːj (Sidwell, 2015)
  • Danaw: ʰruj⁴
  • Lawa
    • of Bo Luang: roi
    • of Umpai: rua
  • Riang
    • of Lang: ruəj²
    • of Sak: ruaj²
• Proto-Pearic: *rɔːj (Headley, 1985)
  • Chong
    • of Chantaburi: ɾɔ̤ːˀj
  • Kasong: roːj
  • Pear: roːˀj
• Proto-Vietic: *m-rɔːj (Ferlus, 2007) (see there for further descendants)
• → Proto-Chamic: *ruay (see there for further descendants)
• → Old Chinese: 䗽 (OC *wih, “small gadly”) (with loss of pre-initial *r- before *w-) (Norman & Mei, 1976; Schuessler, 2007)

• Shorto, Harry (2006) Sidwell, Paul, Doug Cooper and Christian Bauer, editors, A Mon-Khmer Comparative Dictionary, Canberra: Australian National University. Pacific Linguistics, →ISBN
• Sidwell, Paul (2024) “500 Proto Austroasiatic Etyma: Version 1.0”, in Journal of the Southeast Asian Linguistics Society‎^[1], volume 17, number 1, pages i–xxxiii