energisen
energisen is a Finnish word form that functions as the genitive singular and the accusative singular of the adjective energinen, which means energetic or full of energy. The base energinen is formed from the noun energia (energy) with the common adjectival suffix -inen. Like other Finnish adjectives, energinen declines to agree with the noun it modifies in number and case, so energisen appears when the noun is in genitive or, in some contexts, the accusative singular.
Etymology and formation: energinen derives from energia and the suffix -inen, a productive pattern in Finnish
Usage and examples: energisen is most often encountered when describing a noun in genitive or accusative singular.
See also: energinen, energia, energiajuoma. For reference, Finnish dictionaries describe energinen as the base adjective meaning