Old English ofersceadwian, from ofer- (“over-”) + sceadwian (“cover with shade”), a calque of Latin obumbrō, from ob (“over”) + umbrō (“shade”). Compare Dutch overschaduwen, German überschatten.
overshadow (third-person singular simple present overshadows, present participle overshadowing, simple past and past participle overshadowed)
- (transitive) To obscure something by casting a shadow.
- (transitive) To dominate something and make it seem insignificant.
to cast a shadow over something
to dominate something and make it seem insignificant