English word sulfarsenious acid comes from English arsenious ((chemistry) Of or containing arsenic with a valence of 3.), English sulfo- ((chemistry) sulphur.)
| Dictionary entry | Language | Definition |
|---|---|---|
| arsenious | English (eng) | (chemistry) Of or containing arsenic with a valence of 3. |
| sulfo- | English (eng) | (chemistry) sulphur. |
| sulpharsenious acid | English (eng) | (chemistry) A hypothetical sulphacid analogous to arsenious acid, and known only in its salts. |