Where does “polyamide” come from?
Polyamide derives from the English combining form poly- joined with amide, which comes from ammonia via Latin sal ammoniacus, ultimately from Proto-Indo-European pleh₁-.
polyamide (English): Any of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon
Definitions
- Any of a range of polymers containing amide (or peptide) repeat units; examples include proteins and nylon
Ancestry of “polyamide”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | amide | Any derivative of an oxoacid in which the... |
| 2 | English | -ide | Any of a group of related compounds - azide,... |
| 3 | Middle French | -ide | id (dynast) |
| 4 | Latin | -is | suffixed to the root of nouns in composition,... |
| 5 | Latin | -a | suffixed to the roots of verbs, forms agent... |
| 6 | Proto-Italic | -ā | Forms masculine agent nouns from prefixed or compounded bases |
| 7 | Proto-Indo-European | -éh₂ | — |