สาบ

Cognate with Lao ສາບ (sāp), Shan သၢပ်ႇ (sàap).

The "cockroach" sense, which is likely etymologically identical to the "stinking" sense and grouped together by TDP, derives from Proto-Tai *saːpᴰ (“cockroach”), and is cognate with Lao ສາບ (sāp), Shan သၢပ်ႇ (sàap), Bouyei saabt, Zhuang sap.

สาบ • (sàap)

1. (musty) smell, stink

สาบ • (sàap)

1. smelly, stinking
2. (แมลง~, แมง~) cockroach

สาบ • (sàap) (abstract noun การสาบ)

1. used in สาบศูนย์ (“to disappear, be lost; to become extinct”)

Borrowed from Old Khmer សាប្ប (sāppa, “tasteless, weak, insipid”). Cognate with Modern Khmer សាប (saap, “idem”). (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Is this correct? The semantic shift is far from trivial here, if so.”)

สาบ • (sàap)

1. (ทะเล~) lake

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Semantic shift from the "lake" sense of Etymology 3?”)

สาบ • (sàap)

1. facings around the edges of a coat on which buttons are sewn or buttonholes cut

• “สาบ” in Thai Dictionary Project (TDP) (UC Berkeley 1964) (plus additional data from the Royal Institute of Thailand (RI) and NECTEC's LEXITRON project (LEX)). Searchable online at SEAlang.net.