Webster's Revised Unabridged Dictionary · 1913

Silt

Silt (silt) , noun

[Old English silte gravel, from silen to drain, English sile; probably of Scand. origin; compare Swedish sila, prob. akin to Anglo-Saxon seón to filter, sīgan to fall, sink, cause to sink, German seihen to strain, to filter, Old High German sīhan, Icelandic sīa, Sanskrit sic to pour; compare Greek 'ikma`s moisture. Compare Sig, Sile.]

Mud or fine earth deposited from running or standing water.

Silt , transitive verb

To choke, fill, or obstruct with silt or mud.

Silt , intransitive verb

To flow through crevices; to percolate.