leak in

leak in (to something)

[for a fluid] to work its way into something. Some of the soapy water leaked into the soil. The rainwater is leaking in!
See also: leak
References in classic literature ?
Some gamesome wights will tell you that they have to plant weeds there, they don't grow naturally; that they import Canada thistles; that they have to send beyond seas for a spile to stop a leak in an oil cask; that pieces of wood in Nantucket are carried about like bits of the true cross in Rome; that people there plant toadstools before their houses, to get under the shade in summer time; that one blade of grass makes an oasis, three blades in a day's walk a prairie; that they wear quicksand shoes, something like Laplander snowshoes; that they are so shut up, belted about, every way inclosed, surrounded, and made an utter island of by the ocean, that to their very chairs and tables small clams will sometimes be found adhering, as to the backs of sea turtles.
They had lost their masts and sprung a leak in a hurricane; drifted for weeks, always at the pumps, met more bad weather; the ships they sighted failed to make them out, the leak gained upon them slowly, and the seas had left them nothing to make a raft of.
I'm extremely sorry, sir," said this emissary, "that a little accident has occurred at the Miss du Lacs': a leak in the water-tank.
Even a slight gouge, scrape or dent to a pipeline or coating from an accidental dig-in may cause a dangerous break or leak in the future.
NOVEMBER 6, 2014: Torpedo Recovery Vessel of the Astravahini class sinks off Visakhapatnam coast OCTOBER 31, 2014: INS Kora scraps a merchant navy vessel AUG 14 2013: Fire detected on board INS Sindhurakshak , caused death of three officers, 15 sailors MARCH 8 2014: One civilian killed in under construction nuclear submarine in Vizag MARCH 7 2014: Toxic gas leak in INS Kolkata leading to death of one commander FEBRUARY 26, 2014: Fire detected in INS Sindhuratna off Mumbai coast FEBRUARY, 3 2014: INS Airavat ran aground in Vizag JANUARY 23, 2014: INS Vipul was detected with a hole in its pillar compartment and sent back to Mumbai harbour
In March 2014, a toxic gas leak in the INS Kolkata, which was under construction at Mazgaon Dock, killed Commander Kuntal Wadhwa instantly.
It was supposed to introduced much earlier but technical glitches delayed the process, which included a toxic gas leak in November 2008 that killed 20 Russian sailors.