syl20bnr/spacemacs — pull request #202 by crucialfelix (2014-12-03 10:17:55+00:00)
Title: change "key sequence" fd to "key chord"

typing the key sequence (one after another) results in inserting "fd"

holding them together results in escaping to normal mode.

so I think "key chord" is correct, though I don't understand how you could set it to "jj".