Where does “интересненько” come from?

интересненько (Russian) comes from Russian интере́сно, from Russian интере́сный, from Russian интере́с, from Polish interes, from German interesse, from Latin interesse, from Latin esse, from Ancient Greek οὐσία — to be.

Ancestry of “интересненько”, step by step

StepLanguageWordMeaning
1Russianинтере́сноinterestingly, in an interesting manner
2Russianинтере́сныйinteresting
3Russianинтере́сinterest
4Polishinteresbusiness; manhood, package
5Germaninteresseinterest attention and concern
6Latininteressepresent active infinitive of intersum; to...
7Latinessepresent infinitive of sum; state, condition;...
8Ancient Greekοὐσίαthat which is one's own, one's substance,...
9Ancient GreekεἰμίTo be, exist; live; To be; it is possible
10Proto-Hellenicehmito be
11Proto-Indo-Europeanh₁ésmifirst-person singular present indicative of...
12Proto-Indo-Europeanh₁ēs-to be
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁ésmiEvery word from Proto-Hellenic ehmi