We usually think of sheep more as followers than leaders, but in a flock one sheep must lead the way. Long ago, it was common practice for shepherds to hang a bell around the neck of one sheep in their flock, thereby designating it the lead sheep. This animal was called the bellwether, a word formed by a combination of the Middle English words belle (meaning "bell") and wether (a noun that refers to a male sheep that has been castrated). It eventually followed that bellwether would come to refer to someone who takes initiative or who actively establishes a trend that is taken up by others. This usage first appeared in English in the 15th century.
She is a bellwether of fashion. High-tech bellwethers led the decline in the stock market. a county that is a bellwether in national elections
Recent Examples on the WebIndeed, many experts had been looking toward May as a potential bellwether of residents’ willingness to change after the abysmal start to the year. Hayley Smith, Los Angeles Times, 8 July 2022 For perspective, the bellwether cryptocurrency Bitcoin BTC -4.3% is now down by 74% from its record high in November, trading at about $19,000 as of Sunday. Trefis Team, Forbes, 22 June 2022 Beyond the Alps, greening is well-established in the Arctic, a reality some experts say should be viewed as a bellwether of global climate change. Sarah Sloat, NBC News, 2 June 2022 The bill is widely viewed as a bellwether of whether Republicans and Democrats will be able to convert the mounting bipartisan animosity toward the tech industry into new laws.Washington Post, 14 Oct. 2021 Democrats are projected to win a special House election in New York on Tuesday in a race seen as a potential bellwether for this year's midterms, ABC News reports. Bytal Axelrod, ABC News, 24 Aug. 2022 But the state sees itself as a bellwether in the energy transition, using its regulations and the power of a 30-million-vehicle market to push automakers to scale up production, which will ultimately lower prices nationwide. Evan Halper, Washington Post, 22 Aug. 2022 Walmart, a bellwether for retailers, had a great quarter. Allison Morrow, CNN, 17 Aug. 2022 Home Depot is an key retail bellwether for the broader economy. Michael E. Kanell, ajc, 16 Aug. 2022 See More
Word History
Etymology
Middle English bellewether, belleweder "castrated ram with a bell around his neck followed by the other sheep in a flock, leader," from bellebell entry 1 + wether, wederwether