Answer: heldon

AnswerCrossword Clue
HELDON

Kept a tight grip

HELDON

Didn't let go

HELDON

Kept going

HELDON
Got a grip
HELDON
Hung in there
HELDONKept one's grip
HELDONWas patient
HELDONWaited patiently
HELDONPersisted
HELDONContinued
HELDONPersevered
HELDONWas tenacious
HELDONGripped tightly