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 — the god Apis.

optocoupler (English): An optoisolator

Definitions

  1. An optoisolator

Ancestry of “optocoupler”, step by step

StepLanguageWordMeaning
1EnglishcouplerSomeone who couples things together, especially...
2EnglishcoupleTwo partners in a romantic or sexual...
3Middle EnglishcoupleA couple; two people joined by a marital union or...
4Old Frenchcouplecouple; sexual liaison
5Vulgar Latincopla
6Latincōpulaa bond, tie, band or other connecting item
7Latincoapula
8Latinapiodative singular of apium; ablative singular of...
9Latinapiumparsley; celery; genitive plural of apis
10LatinApisA seaport town of Egypt situated at the borders with Marmarica
11Ancient GreekἌπις
12Copticϩⲁⲡⲉthe Apis bull, a bull worshipped as a herald of the gods (first Ptah, then Osiris, then Atum)
13Egyptianḥpthe god Apis
Every word from Egyptian ḥp