infiltrate
in·filt·rate
verb
1.
cause (a liquid) to enter by penetrating the interstices
2.
3.
Origin
From Middle English infiltrate (adjective), from Medieval Latin infiltrātus, from infiltrō.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.