Where does “любо-” come from?

любо- (Russian) comes from Russian лю́бый, from Old East Slavic любъ, from Proto-Slavic ľubъ, from Proto-Indo-European lewbʰos, from Proto-Indo-European lewbʰ-, from Proto-Indo-European lēw- — to sound, resound, sing out; to leave.

Ancestry of “любо-”, step by step

любо- traces back through two separate lines of ancestry.

via Russian лю́бый

StepLanguageWordMeaning
1Russianлю́быйdear, sweet, cute, pleasant, pleasing
2Old East Slavicлюбъ
3Proto-Slavicľubъsweet, pleasant
4Proto-Indo-Europeanlewbʰosdear, beloved
5Proto-Indo-Europeanlewbʰ-to desire, covet, want; to admire, praise; to...
6Proto-Indo-Europeanlēw-to sound, resound, sing out; to leave

via Ukrainian лю́бий

StepLanguageWordMeaning
1Ukrainianлю́бийdear, beloved
Every word from Proto-Indo-European lēw-Every word from Proto-Indo-European lewbʰ-Every word from Proto-Indo-European lewbʰos