rechtem
rechtem is the dative singular form of the German adjective recht in its strong declension. It appears before masculine or neuter nouns when no determiner accompanies the noun, and it corresponds to the meaning “right” or “proper/correct” in its adjectival use. In other contexts with definite or indefinite articles, different endings are used (for example, dem rechten Mann or einem rechten Mann).
In the strong (or unmarked) declension, adjectives take the ending -em in the dative singular masculine and
Common uses include mit rechtem Verstand (with proper understanding) and mit rechtem Maß (with proper measure).
The adjective recht comes from Old High German riht and from Proto-Germanic *rihtaz, with a core meaning