Proto-Viet-Muong:
Meaning: cave
Arem: kɨ̂:p
Proto-Ruc: *kɨ:p.4
Ruc (Russian field rec.): kɨ:p.4
Ruc (Lo'i's rec.): kɨ:p.4
Ruc (Ferlus' rec.): kɨ:p.2
Ruc meaning: cave
References: NTF56, NVL145
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