biyug 1comm. soot, black substance resulting from burning. Napnuh biyug nan huguhug. The rack for drying above the hearth is full of soot. Sim: lagit. (sem. domains: 5.5.4 - Burn.) 2trans. to become sooty. Mangitit hanan pottok nan punha-angan te nabiyugan. That part above the hearth is black because it is covered with soot. Biniyugan nan ittay an dilag nan kamam. The small lamp caused soot on your bed. Ad-adi nan halong an panungu te nal-ot di pumbiyug na. The pine tree is not good for fuel because it is very sooty when burned. ‑an/‑in‑ an, na‑ ‑an, puN‑.