ekonomickým
Ekonomickým is a Czech adjective form that comes from the base adjective ekonomický, meaning economic. It is the instrumental singular masculine and neuter form, used when the noun it modifies is in the instrumental case. In practice, it appears in phrases such as s ekonomickým růstem (with economic growth) or ekonomickým způsobem (in an economic way).
Etymology and sense: The Czech adjective ekonomický derives from the noun ekonomika (economy) and ultimately from
Morphology and usage: Ekonomickým is the standard instrumental singular form used with masculine and neuter nouns.
Context and nuance: Economical in the sense of thrift or cost-saving is not usually rendered by ekonomický