Where does “retrosigmoidal” come from?
retrosigmoidal (English) comes from English retro, from French rétro, from French rétroviseur, from French rétro-, from Latin retrō, from Latin dūcere, from Proto-Italic doukō, from Proto-Indo-European déwketi — to pull, to draw; to lead.
Ancestry of “retrosigmoidal”, step by step
retrosigmoidal traces back through two separate lines of ancestry.
via English retro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | retro | Of, or relating to, the past, past times, or the... |
| 2 | French | rétro | shortening of rétroviseur, mirror; retro |
| 3 | French | rétroviseur | rear-view mirror |
| 4 | French | rétro- | retro-, back, behind |
| 5 | Latin | retrō | back, backwards, behind |
| 6 | Latin | dūcere | — |
| 7 | Proto-Italic | doukō | lead |
| 8 | Proto-Indo-European | déwketi | — |
| 9 | Proto-Indo-European | dewk- | to pull, to draw; to lead |
via English sigmoidal
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | sigmoidal | sigmoid; S-shaped; Characterized by a sigmoid... |
| 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 |