| 1 | English | dynamo | An electricity generator, a dynamo-electric... |
| 2 | German | dynamoelektrische Maschine | — |
| 3 | Ancient Greek | δύναμις | power, might, strength; ability, skill; power,... |
| 4 | Ancient Greek | δύναμαι | deponent; to be able, capable, strong enough to... |
| 5 | Proto-Hellenic | *dunamai | — |