Where does “porrasmatriisi” come from?
porrasmatriisi (Finnish) comes from Finnish matriisi, from Swedish matris, from Swedish ris, from Old Norse rís, from Middle Low German rīs, from Old French ris, from Italian riso, from Latin rīsus.
porrasmatriisi (Finnish): a matrix in row echelon form, echelon matrix
Definitions
- a matrix in row echelon form, echelon matrix
Ancestry of “porrasmatriisi”, step by step
porrasmatriisi traces back through two separate lines of ancestry.
via Finnish matriisi
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Finnish | matriisi | matrix |
| 2 | Swedish | matris | matrix; rectangular arrangement of terms; matrix;... |
| 3 | Swedish | ris | small shrubs, such as blueberry and lingonberry,... |
| 4 | Old Norse | rís | — |
| 5 | Middle Low German | rīs | — |
| 6 | Old French | ris | reef |
| 7 | Italian | riso | laughter, laugh; rice; past participle of ridere |
| 8 | Latin | rīsus | laughed at, ridiculed, mocked, having been ridiculed |
| 9 | Ancient Greek | ὄρυζα | rice |
| 10 | Proto-Iranian | *wrinǰiš | — |