Meaning

verb import or export without paying customs duties

originFrom earlier smuckle, either from Dutch smokkelen (“to smuggle”), a frequentative form of Middle Dutch smūken (“to act secretly, be sneaky”), from Old Dutch *smugan, or from Dutch Low Saxon or German Low German smuggeln; all are from Proto-West Germanic *smeugan (“to creep; slip through or into”). cognates and related terms Cognate with Saterland Frisian smuggelje (“to smuggle”), West Frisian…

Etymology from Wiktionary, CC BY-SA 3.0