Answer: peekin

AnswerCrossword Clue
PEEKINLook through the shutters
PEEKINHave a quick look from the doorway, say
PEEKINExamine slyly
PEEKINQuickly check (on)
PEEKINHave a quick look from the hallway, say
PEEKINCheck on sleeping kids, perhaps
PEEKINTake a furtive look