BYWORD (מִלָּה, H4863, meaning word; מָשָׁל, H5442, meaning parable or proverb; שְׁנִינָה, H9110, meaning a cutting word).
When the above Heb. words are tr. as “byword,” it almost always involves a negative context. It is a context of God’s anger focused against a wayward nation of Israel.