Strong's G1374 — δίψυχος (adjective)
dipsuchos (dip'-soo-khos) adj.
1. two-spirited, i.e. vacillating (in opinion or purpose)
[from G1364 and G5590]
KJV: double minded 
Root(s): G1364, G5590 
Hebrew root: ψυχή
Occurrences: 2