Informo pri la vorto harbinger (angla → esperanto: antaŭsigno)

Sinonimoj: indication, omen, portent, precursor, presage, augury, sign

Vortspeco	substantivo
Pluralo	harbingers

Uzekzemploj

But some analysts worry that the tariffs may be a harbinger of more trade restrictions, and US officials have hinted there’s more to come.