Meaning

noun a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)

noun an official who affixes a seal to a document

originEtymology tree Proto-Indo-European *sek- Proto-Indo-European *-nóm Proto-Italic *seknom Latin signum Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -lum Latin sigillum Anglo-Norman seelbor. Middle English sel English seal English -er English sealer From seal + -er.

Etymology from Wiktionary, CC BY-SA 3.0