libellum

libellum is a Latin form of liber, meaning “book”.

It can also be a form of libellus, “little book; pamphlet; petition; notice”. It is the accusative singular masculine noun.

Found 70 times in the Latin texts on Socratos.

Where it is used

Cicero, In C. Verrem 2.2.183: … uidem certe manifestum erit: de ceteris ex hoc coniecturam facere debebitis. recita mihi, quaeso, hunc primum libellum, deinde illum alterum. libelli Canveliani. non quaero unde cccc amphoras mellis habueris, unde tantum Meliten …

Pliny the Younger, Epistulae 7.12.1: Libellum formatum a me, sicut exegeras, quo amicus tuus, immo noster - quid enim non commune nobis? -, si res posceret uteretur, misi tibi ideo tardius ne tempus emendandi eum, id est disperdendi, haberes.

All forms of liber (declension table)

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.