Strong's G1573 — ἐκκακέω (verb)
ekkakeo (ek-kak-eh'-o) v.
1. to be (bad or) weak
2. (by implication) to fail (in heart)
[from G1537 and G2556]
KJV: faint, be weary 
Root(s): G1537, G2556 
Hebrew root: κακός
Occurrences: 6