influx
noun
[ ˈɪnflʌks ]
• an arrival or entry of large numbers of people or things.
• "a massive influx of tourists"
• an inflow of water into a river, lake, or the sea.
• "the lakes are fed by influxes of meltwater"
Origin:
late 16th century (denoting an inflow of liquid, gas, or light): from late Latin influxus, from influere ‘flow in’ (see influence).