Strong's Greek #2480
ἴσχυσας

Englishman's Concordance (References)

ἴσχυσας ischysas — 1 Occurrence

Mark 14:37 - V-AIA-2S
GRK:καθεύδεις οὐκ ἴσχυσας μίαν ὥραν
NAS: are you asleep? Could you not keep watch
KJV: sleepest thou? couldest not
INT: sleep you not were you able one hour