Verb

forschen

to research, to investigate, to explore

Wissenschaftler forschen an neuen Technologien.

Scientists are researching new technologies.

Er forscht nach den Ursachen des Problems.

He is investigating the causes of the problem.

((on sth.)) to research on sth. Scientists are researching on new medicines.

((for sth.)) to search for sth. She is researching for the truth.

untersuchen (to examine), erkunden (to explore)

From Old High German 'forscōn' (to inquire), related to 'fragen' (to ask). Research is the act of asking questions.

Sounds like 'for searching'. When you do research, you are 'searching for' new knowledge.

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