ETYMOLOGY
conjectured to be a whimsical imitation of concur (cur = dog);
but no evidence has been found of its actual origin
EXAMPLE
“… Alcum. So is it, and often doth it happen, that the iust proportion of the fire and all things concurre.
Rafe. Concurre, condogge. I will away.
Alcum. Then away. …”
From: Gallathea
By John Lyly, 1592
Lexicophilia 