H7193 קַשְׂקֶשֶׂת (kas-keh'-seth)

KJV renderings: mail, scale.
Strong's definition: a scale (of a fish); hence a coat of mail (as composed of or covered with jointed plates of metal)
Derivation: by reduplication from an unused root meaning to shale off as bark;

From James Strong's public-domain dictionaries (H), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.