Where does “ленца” come from?

ленца (Russian) comes from Russian -ца́, from Proto-Slavic -ьca, from Proto-Slavic -ьka, from Proto-Balto-Slavic -ikaʔ, from Proto-Indo-European -ikeh₂.

Ancestry of “ленца”, step by step

StepLanguageWordMeaning
1Russian-ца́Suffix appended to words to create a feminine noun, usually a diminutive form expressing endearment
2Proto-Slavic-ьcaDenominal, forms diminutives; Deverbal , forms...
3Proto-Slavic-ьka—
4Proto-Balto-Slavic-ikaʔ—
5Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European -ikeh₂ →Every word from Proto-Slavic -ьka →Every word from Russian -ца́ →