Where does “samenzweren” come from?

samenzweren (Dutch) comes from Dutch zweren, from Middle Dutch swēren, from Old Dutch swerien, from Proto-West Germanic swarjan, from Proto-Germanic swarjaną, from Proto-Indo-European swēr- — heavy.

samenzweren (Dutch): to conspire, plot

Definitions

to conspire, plot

Ancestry of “samenzweren”, step by step

samenzweren traces back through two separate lines of ancestry.

via Dutch zweren

Step	Language	Word	Meaning
1	Dutch	zweren	to swear, pledge, declare under oath; to...
2	Middle Dutch	swēren	to swear, to declare solemnly
3	Old Dutch	swerien	—
4	Proto-West Germanic	swarjan	to swear
5	Proto-Germanic	swarjaną	to swear
6	Proto-Indo-European	swēr-	heavy

via Dutch samen

Step	Language	Word	Meaning
1	Dutch	samen	together
2	Middle Dutch	tsamen	—
3	Old Dutch	samen	together
4	Proto-Germanic	saman	—
5	Proto-Germanic	samanai	at one; together
6	Proto-Indo-European	sem-	together, one

Words derived from “samenzweren”

samenzwering

Every word from Proto-Indo-European swēr- →Every word from Proto-Germanic swarjaną →Every word from Proto-West Germanic swarjan →