Where does “proamnion” come from?
proamnion (English) comes from English pro, from English professional, from English profession, from Anglo-Norman professioun, from Old French profession, from Latin professiō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.
proamnion (English): An area of the blastoderm at the cephalic end of a vertebrate embryo, in which there is no mesoderm separating the ectoderm and endoderm
Definitions
- An area of the blastoderm at the cephalic end of a vertebrate embryo, in which there is no mesoderm separating the ectoderm and endoderm
Ancestry of “proamnion”, step by step
proamnion traces back through two separate lines of ancestry.
via English pro
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | pro | An advantage of something, especially when... |
| 2 | English | professional | A person who belongs to a profession; A person... |
| 3 | English | profession | A declaration of belief, faith or one's opinion,... |
| 4 | Anglo-Norman | professioun | — |
| 5 | Old French | profession | profession; declaration |
| 6 | Latin | professiō | declaration, avowal, profession (act of professing) |
| 7 | Latin | -tiō | tion, -ation, -ing |
| 8 | Latin | dissertātiō | (spoken) dissertation, discourse, disquisition |
| 9 | Latin | dissertus | arranged, disposed; explained |
| 10 | Latin | disserere | second-person singular future passive indicative... |
| 11 | Latin | dis- | asunder, apart, in two; reversal, removal;... |
| 12 | Latin | calceus | shoe |
| 13 | Latin | calx | limestone; chalk; the finish line |
| 14 | Ancient Greek | χάλιξ | small stone, pebble; gravel, rubble |
via English amnion
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | amnion | The innermost membrane of the fetal membranes of... |
| 2 | Latin | amnion | membrane around a fetus |
| 3 | Ancient Greek | ἀμνίον | bowl in which the blood of victims was caught;... |
| 4 | Ancient Greek | ἀμνός | lamb |
| 5 | Proto-Indo-European | h₂egʷnós | lamb |
| 6 | Proto-Indo-European | -nós | Creates verbal adjectives from roots |