Where does “Lucianca” come from?

Lucianca (Romanian) comes from Romanian -că, from Old Church Slavonic -ъка, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “Lucianca”, step by step

Step	Language	Word	Meaning
1	Romanian	-că	—
2	Old Church Slavonic	-ъка	—
3	Proto-Slavic	-ъka	Denominal, forms diminutives; Deadjectival,...
4	Proto-Indo-European	-kos	Creates deadjectival and desubstantival...

Every word from Proto-Indo-European -kos →Every word from Romanian -că →Every word from Proto-Slavic -ъka →