Where does “pyrgoïdal” come from?
pyrgoïdal (French) comes from French -oïde, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...
pyrgoïdal (French): In mathematics, qualifies a number that is composed of a columnar number and a pyramidal one, such that the side of the first is larger than that of the second by one
Definitions
- In mathematics, qualifies a number that is composed of a columnar number and a pyramidal one, such that the side of the first is larger than that of the second by one
Ancestry of “pyrgoïdal”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | French | -oïde | -oid |
| 2 | Ancient Greek | -ειδής | like, connected to, from the nature of, full of;... |
| 3 | Ancient Greek | -ής | adjective suffix |
| 4 | Proto-Indo-European | -ēs | Primarily forms adjectival bahuvrīhi compounds |
| 5 | Proto-Indo-European | -ess | — |
| 6 | Proto-Indo-European | -os | Creates action nouns or result nouns from verbs;... |