Where does “extradural” come from?
Extradural comes from English dural, English dura, English aldehyde, Latin exter, and Proto-Indo-European h₁eǵʰs, meaning external or outside.
extradural (English): Outside of the dura mater; Such an injection
Definitions
- Outside of the dura mater; Such an injection
Ancestry of “extradural”, step by step
extradural traces back through two separate lines of ancestry.
via English dural
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | dural | Relating to the dura mater; Synonym of duralumin |
| 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 extra
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | extra | Beyond what is due, usual, expected, or... |
| 2 | English | extraordinary | Not ordinary; exceptional; unusual; Remarkably... |
| 3 | Latin | extraordinārius | extraordinary |
| 4 | Latin | ōrdinem | — |
| 5 | Middle Low German | orden | — |
| 6 | Latin | ōrdināre | — |
| 7 | Latin | ōrdō | a methodical series, arrangement, or order; regular line, row, or series |
| 8 | Proto-Italic | ored(h)- | to arrange |