Where does “pseudoreflection” come from?
pseudoreflection (English) comes from English reflection, from Middle French reflexion, from Late Latin reflexio, from Latin reflectere, from Latin reflecto, from Latin re-, from Proto-Indo-European wret-, from Proto-Indo-European wert- — to burn; to cover, heed, notice; squirrel.
pseudoreflection (English): An invertible linear transformation of a finite-dimensional vector space such that it is not the identity transformation, has a finite (multiplicative) order, and fixes a hyperplane
Definitions
- An invertible linear transformation of a finite-dimensional vector space such that it is not the identity transformation, has a finite (multiplicative) order, and fixes a hyperplane
Ancestry of “pseudoreflection”, step by step
pseudoreflection traces back through two separate lines of ancestry.
via English reflection
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | reflection | The act of reflecting or the state of being... |
| 2 | Middle French | reflexion | — |
| 3 | Late Latin | reflexio | turning away or back; reflection |
| 4 | Latin | reflectere | second-person singular future passive indicative... |
| 5 | Latin | reflecto | I turn back or away; I reflect |
| 6 | Latin | re- | back, backwards; again; prefix added to various... |
| 7 | Proto-Indo-European | wret- | — |
| 8 | Proto-Indo-European | wert- | to turn, to rotate |
| 9 | Proto-Indo-European | wer- | to burn; to cover, heed, notice; squirrel |
via English pseudo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | pseudo | An intellectually pretentious person; a... |
| 2 | English | pseudo- | False, not genuine, fake |
| 3 | Ancient Greek | ψευδής | lying, false, untrue; deceived, beguiled |
| 4 | Ancient Greek | -ής | adjective suffix |
| 5 | Proto-Indo-European | -ēs | Primarily forms adjectival bahuvrīhi compounds |
| 6 | Proto-Indo-European | -ess | — |
| 7 | Proto-Indo-European | -os | Creates action nouns or result nouns from verbs;... |