Strong's G639 — ἀπορέω (verb)
aporeo (ap-or-eh'-o) v.
1. to have no way out, i.e. be at a loss (mentally)
[from a compound of G1 (as a negative particle) and the base of G4198]
KJV: (stand in) doubt, be perplexed 
Root(s): G1, G4198 
Hebrew root: πορεύομαι
Occurrences: 6