
English word sparky comes from English spark, English -y
spark (English)
A beau, lover.. A gallant, a foppish young man. (intransitive) To give off a spark or sparks.. (transitive) To light; to kindle.. (transitive, figurative) To trigger, kindle into activity (an argument, etc). To woo, court. (UK, slang) An electrician.. (figuratively) A small amount of something, such as an idea or romantic affection, that has the potential to become something greater, just as [...]
-y (English)
Forming abstract nouns denoting a state, condition, or quality.. Used in the name of some locations which end in -ia in Latin. Forming diminutive nouns. Also used for familiar and pet names as a term of endearment. Added to nouns and adjectives to form adjectives meaning “having the quality of”.. Added to verbs to form adjectives meaning "inclined to".
sparky (English)
Lively and animated. (UK, Australia, New Zealand) An electrician; an electrical engineer.. (US, Navy) A radio operator.