Where does “optical glass” come from?
optical glass (English) comes from English optical, from English -ál, from English aldehyde, from German Aldehyd, from Latin alcohol, from Andalusian Arabic كُحُول, from Arabic كحل, from Arabic كُحْل — kohl, antimony paste.
optical glass (English): A class of glass used to create optical lenses,...
Definitions
- A class of glass used to create optical lenses,...
Ancestry of “optical glass”, step by step
optical glass traces back through two separate lines of ancestry.
via English optical
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | optical | Of, or relating to sight; visual; Designed to... |
| 2 | English | -ál | Of or pertaining to. Adjectival suffix appended to various words, often nouns, to produce an adjective form. Often added to words of Latin origin, but used with other words also |
| 3 | English | aldehyde | Any of a large class of reactive organic... |
| 4 | German | Aldehyd | aldehyde |
| 5 | Latin | alcohol | kohl, collyrium, stibium; any other powder... |
| 6 | Andalusian Arabic | كُحُول | — |
| 7 | Arabic | كحل | antimony; kohl, stibnite; black coloring of the... |
| 8 | Arabic | كُحْل | antimony; kohl, stibnite |
| 9 | Akkadian | guḫlum | kohl, antimony paste |
via English glass
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | glass | An amorphous solid, often transparent substance... |
| 2 | Scottish Gaelic | glas | green; grey; lock |
| 3 | Middle Irish | glas | — |
| 4 | Old Irish | glas | green, greenish; blue, green-blue, grey-blue; the... |
| 5 | Proto-Celtic | glastos | green, blue |
| 6 | Proto-Indo-European | ǵʰl̥h₃stós | — |
| 7 | Proto-Indo-European | ǵʰelh₃- | to flourish; green, yellow |