tremulo

Borrowed from Latin tremulus.

tremulo (feminine tremula, masculine plural tremuli, feminine plural tremule)

1. trembling, quivering, quavering

• tremolare

tremulo m (plural tremuli)

1. flutter (electronic)

• tremolo

• multerò

From tremul- (“trembling”) +‎ -ō (verb-forming suffix). Attested in a seventh-century manuscript.[1]

tremulō (present infinitive tremulāre, perfect active tremulāvī, supine tremulātum); first conjugation

1. (Late Latin, rare) I tremble, shake

• Walther von Wartburg (1928–2002), “*trĕmŭlare”, in Französisches Etymologisches Wörterbuch (in German), volume 13: To–Tyrus, page 241

tremulo

1. first-person singular present indicative of tremular