temblor
/temˈbloɾ/ · B2 · noun · m
tremor
🌍🫨 temblor = tembl- (tremble) + -or, so it's a noun for the act of trembling
Temblor comes from the verb temblar, to tremble, which goes back to Latin tremulare. The English word tremble is a close relative, so the shared tem-/trem-bl sound links the two. In Spanish the noun covers shaking from fear and light earthquakes.