Reconstruction:Proto-Malayo-Polynesian/lubuk

Proto-Malayo-Polynesian

*lubuk

Chamorro: lupok
North Bornean
- North Sarawakan
  - Apo Duat
    - Lun Bawang: lubuk
Greater Barito
- East Barito
  - Malagasy: lovoka
- West Barito
  - South
    - Ngaju: lowok
Northwest Sumatra–Barrier Islands
- Proto-Batak:
  - Northern
    - Karo Batak: lubuk
  - Southern
    - Toba Batak: lubuk
Old Javanese: luwuk (“cavity, hollow”), lowok (“wide open”)
- Javanese: ꦭꦺꦴꦧꦺꦴꦏ꧀ (lobok, “loose”)
- Javanese: ꦭꦸꦮꦸꦏ꧀ (luwuk, “unfilled; dent”)
Proto-Malayo-Sumbawan:
- Bali-Sasak
  - Balinese: ᬮᭀᬯᭀᬓ᭄ (lowok, “water tunnel”), ᬮᭀᬳᭀᬓ᭄ (lohok, “water tunnel”)
- Proto-Malayo-Chamic:
  - Proto-Malayic:
    - Malay: lubuk
      - Indonesian: lubuk
    - Minangkabau: lubuak

*lubuk

Proto-Philippine:
- Central Philippine
  - Visayan
    - Cebuano: lubúk
Sama–Bajaw
- Mapun: lubuk
Proto-Central-Eastern Malayo-Polynesian:
- Sumba–Flores
  - Ende–Manggarai
    - Manggarai: lubuk