Where does “penumbral” come from?
penumbral (English) comes from English -ál, from English aldehyde, from German Aldehyd, from Latin alcohol, from Andalusian Arabic كُحُول, from Arabic كحل, from Arabic كُحْل, from Akkadian guḫlum.
penumbral (English): Of, or pertaining to, the penumbra
Definitions
- Of, or pertaining to, the penumbra
Ancestry of “penumbral”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | -ál | — |
| 2 | English | aldehyde | Any of a large class of reactive organic... |
| 3 | German | Aldehyd | aldehyde |
| 4 | Latin | alcohol | kohl, collyrium, stibium; any other powder... |
| 5 | Andalusian Arabic | كُحُول | — |
| 6 | Arabic | كحل | antimony; kohl, stibnite; black coloring of the... |
| 7 | Arabic | كُحْل | antimony; kohl, stibnite |
| 8 | Akkadian | guḫlum | — |