Where does “heptadiagonal” come from?
heptadiagonal (English) comes from English diagonal, from Middle French diagonal, from Latin diagōnālis, from Ancient Greek διαγώνιος, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.
heptadiagonal (English): Having nonzero entries along the main diagonal,...
Definitions
- Having nonzero entries along the main diagonal,...
Ancestry of “heptadiagonal”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | diagonal | Joining two nonadjacent vertices; Having slanted... |
| 2 | Middle French | diagonal | — |
| 3 | Latin | diagōnālis | — |
| 4 | Ancient Greek | διαγώνιος | from angle to angle |
| 5 | Ancient Greek | δῐᾰ- | apart; through, across; through; in different... |
| 6 | Ancient Greek | διά | throughout |
| 7 | Proto-Indo-European | dwís | twice, doubly; in two |
| 8 | Proto-Indo-European | dwóh₁ | two |