s'infiltrer betyder på engelska

permeate [permeated, permeating, permeates]▼◼◼◼(to pass through the pores or interstices of; to penetrate and pass through without causing rupture or displacement)
verb
[UK: ˈpɜː.mɪeɪt] [US: ˈpɝː.mi.ˌet]