Where does “Līna” come from?

Līna (Latvian) comes from Latvian Paulīna, from Latin Paulina, from Latin Paulinus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “Līna”, step by step

Step	Language	Word	Meaning
1	Latvian	Paulīna	—
2	Latin	Paulina	—
3	Latin	Paulinus	a Roman cognomen
4	Latin	-īnus	of or pertaining to; -ine
5	Proto-Italic	-īnos	of/belonging to
6	Proto-Indo-European	-iHnos	Creates adjectives of materials
7	Proto-Indo-European	-no-	adjectival suffix

Every word from Proto-Indo-European -no- →