Where does “lushnjar” come from?

lushnjar (Albanian) comes from Albanian -ar, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “lushnjar”, step by step

Step	Language	Word	Meaning
1	Albanian	-ar	a suffix appended to words to create an agent noun, much like English -er/-or
2	Latin	-ārius	er
3	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Albanian -ar →