Witcher etymology in English

English word witcher comes from English you're, English with

Dictionary entry	Language	Definition
you're	English (en)
with	English (en)	(obsolete) To denote the accomplishment of cause, means, instrument, etc; – sometimes equivalent to by.. (obsolete) Using as nourishment; more recently replaced by on.. Against.. Having, owning.. In addition to; as an accessory to.. In support of.. In the company of; alongside, close to; near to.. Used to indicate simultaneous happening, or immediate succession or consequence.. Using as an [...]
witcher	English (en)

Witcher etymology