to leak; to divulge; to leave out by mistake; waterclock or hourglass
Originally written as 屚, which depicts rainwater (雨) leaking through a house roof (屋). The 氵 (water) component was added later to clarify the meaning.
《說文》：“漏，以銅受水刻節，晝夜百刻。从水，屚聲。”