elektrickej
Elektrickej is a colloquial form of the Czech adjective elektrický, meaning "electric." It is commonly used in spoken language and informal writing, and appears frequently in everyday dialogue, advertising, song lyrics, and casual signage. The form reflects casual pronunciation and is especially common before masculine singular nouns, as in elektrickej motor or elektrickej nářadí, where it serves as an attributive modifier.
In standard Czech orthography, the corresponding form is elektrický. The elektrickej variant is considered informal and
Linguistically, elektrickej is part of a broader pattern where adjectives take nonstandard, conversational endings in casual
Etymology traces elektrickej to the root elektr- from elektrický, itself derived from the Greek word elektron