Where does “photopentode” come from?
photopentode (English) comes from English pentode, from English pent, from English pen, from English penetration, from Middle English penetracioun, from Old French penetracïon, from Latin penetrātiō, from Latin -tiō — limestone; chalk; the finish line.
photopentode (English): a pentode whose electrical characteristics are...
Definitions
- a pentode whose electrical characteristics are...
Ancestry of “photopentode”, step by step
photopentode traces back through two separate lines of ancestry.
via English pentode
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | pentode | a thermionic valve similar to a tetrode with the... |
| 2 | English | pent | Confinement; concealment; Confined in a pen,... |
| 3 | English | pen | An enclosure used to contain domesticated... |
| 4 | English | penetration | The act of penetrating something; Specifically,... |
| 5 | Middle English | penetracioun | — |
| 6 | Old French | penetracïon | penetration (act, instance of penetrating) |
| 7 | Latin | penetrātiō | piercing, penetration |
| 8 | Latin | -tiō | tion, -ation, -ing |
| 9 | Latin | dissertātiō | (spoken) dissertation, discourse, disquisition |
| 10 | Latin | dissertus | arranged, disposed; explained |
| 11 | Latin | disserere | second-person singular future passive indicative... |
| 12 | Latin | dis- | asunder, apart, in two; reversal, removal;... |
| 13 | Latin | calceus | shoe |
| 14 | Latin | calx | limestone; chalk; the finish line |
via English photo
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | photo | A photograph; A photo finish; To take a... |
| 2 | English | photography | The art and technology of producing images on... |
| 3 | French | photographie | photography; photograph |
| 4 | Ancient Greek | φωτο- | — |
| 5 | Ancient Greek | φῶς | Attic form of φᾰ́ος |
| 6 | Proto-Hellenic | pʰáos | — |
| 7 | Proto-Indo-European | bʰéh₂os | — |
| 8 | Proto-Indo-European | bʰeh₂- | to shine, glow light; to speak, say |
| 9 | Proto-Indo-European | bʰeh₂-s-ri- | — |