hilfreiches
Hilfreiches is the attributive form of the German adjective hilfreich in the neuter singular, used before a noun to indicate that the noun is useful or beneficial. For example, ein hilfreiches Werkzeug or ein hilfreiches Buch describes objects that aid or assist. When the adjective is used without a preceding determiner, the form becomes hilfreiches, as in hilfreiches Werkzeug. In sentences with a definite article, das hilfreiche Werkzeug is common. The word can also appear in the bare form hilfreich in other contexts.
Beyond its attributive use, hilfreich can be nominalized to refer to the concept of usefulness itself. The
Semantics and usage. Hilfreich and its inflected forms describe objects, advice, or actions that reduce effort,
Etymology. Hilfreich derives from Old High German helfrîh, connected to the sense of providing aid or assistance.