byword
[noun]
Synonyms: saying, adage, maxim, motto, precept, proverb, slogan

[TahlilGaran] English Synonym Dictionary ▲

by‧word /ˈbaɪwɜːd $ -wɜːrd/ noun

1. be a byword for something to be so well known for a particular quality that your name is used to represent that quality:
His name has become a byword for honesty in the community.

2. [singular] a word, phrase, or saying that is very well known:
Caution should be a byword for investors.

[TahlilGaran] Dictionary of Contemporary English ▲