English word against comes from Middle English agen

Detailed word origin of against

Dictionary entry	Language	Definition
agen	Middle English (enm)
againes	Middle English (enm)
against	English (eng)	(obsolete) By the time that (something happened); before. (heading, physical) A close but separated relationship.. (heading, social) A contrasting or competitive relationship.. (obsolete) Exposed to.(Can we add an example for this sense?). As a charge on.(Can we add an example for this sense?). As counterbalance to.(Can we add an example for this sense?). As protection from.. Close to.. In a [...]