What does the name Dagger mean?

Every name have some meaning, 

So what our dagger have?

why it is called Dagger?

 

Mostly the technology name is based on, how they were originated.

Dagger:- 

Dagger works on the concept of Directed Acyclic Graph,  See the image below

Directed Acyclic Graph

Directed - 

  

It always goes into one direction.

Acyclic -

Acyclic means it has no cycle here.

So the abbreviation  of the Directed Acyclic Graph

Directed:  D

Acyclic: A

Graph: G

So here dagger comes from 

From DAG to Dagger.