härmed bedeutet auf Englisch

hereby▼(formal phrase)
adverb
[UK: ˌhɪə.ˈbaɪ] [US: ˌhɪr.ˈbaɪ]

herewith▼(with this (especially, with this letter or communication))
adverb
[UK: ˌhɪə.ˈwɪð] [US: ˌhɪˈr.wɪθ]