A person or thing that announces or signals the approach of another.
Middle English: from Old French herbergere, from herbergier ‘provide lodging for’, from herberge ‘lodging’
“People wondered if the heat was just a spring anomaly or a harbinger of summer.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.