Where does “protonephridium” come from?
protonephridium (English) comes from English proto, from English proto-, from Ancient Greek πρωτο-, from Ancient Greek πρῶτος, from Ancient Greek πρό, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.
protonephridium (English): A type of nephridium composed of a network of...
Definitions
- A type of nephridium composed of a network of...
Ancestry of “protonephridium”, step by step
protonephridium traces back through two separate lines of ancestry.
via English proto
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | proto | Prototypical; preceding the proper beginning of... |
| 2 | English | proto- | first; most recent common ancestor of; Relating... |
| 3 | Ancient Greek | πρωτο- | first, primary |
| 4 | Ancient Greek | πρῶτος | first; earliest; foremost, most prominent |
| 5 | Ancient Greek | πρό | before; before, in front, forth, forward; before,... |
| 6 | Proto-Indo-European | pró | toward, leading to |
| 7 | Proto-Indo-European | per- | before, in front; first; to go through |
| 8 | Proto-Indo-European | pr̥tós | passed , crossed |
via English nephridium
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | nephridium | a tubular excretory organ in some invertebrates;... |
| 2 | English | nephro- | Of or relating to the kidneys |
| 3 | Ancient Greek | νεφρός | kidney; testicle; mind |
| 4 | Proto-Hellenic | *nekʷʰrós | kidney |
| 5 | Proto-Indo-European | negʷʰrós | kidney |