Where does “optocoupler” come from?
optocoupler (English) comes from English coupler, from English couple, from Middle English couple, from Old French couple, from Vulgar Latin copla, from Latin cōpula, from Latin coapula, from Latin apio.
optocoupler (English): An optoisolator
Ancestry of “optocoupler”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | coupler | Someone who couples things together, especially... |
| 2 | English | couple | Two partners in a romantic or sexual... |
| 3 | Middle English | couple | A couple; two people joined by a marital union or... |
| 4 | Old French | couple | couple; sexual liaison |
| 5 | Vulgar Latin | copla | — |
| 6 | Latin | cōpula | — |
| 7 | Latin | coapula | — |
| 8 | Latin | apio | dative singular of apium; ablative singular of... |
| 9 | Latin | apium | parsley; celery; genitive plural of apis |
| 10 | Latin | Apis | — |
| 11 | Ancient Greek | Ἄπις | — |
| 12 | Coptic | ϩⲁⲡⲉ | — |
| 13 | Egyptian | ḥp | — |