8 letters · 12 points in Scrabble
verb spread or diffuse through
verb pass through
verb penetrate mutually or be interlocked
originFirst attested in 1656; borrowed from Latin permeātus, perfect passive participle of permeō (“to pass through”), see -ate (verb-forming suffix) and -ate (noun-forming suffix).
Etymology from Wiktionary, CC BY-SA 3.0