Liber

ollins Concise Latin Dictionary:
* liber, librī, m inner bark (of a tree); book; register
* Līber, Lībrī, m Italian god of fertility (identified with Bacchus)
* līber, līberī, adj free, open, unrestricted, undisturbed; (with abl) free from; (speech) frank; (POL) free, not slave, democratic
* līberī, līberōrum, mpl children
The last one is the substantive use of the adjective. There are several other words related to these, too.  How can the word "liber" mean both "book" and "free"? | thread Posted by u/astro_nerd 11 years ago.