Where does “ciepełko” come from?

ciepełko (Polish) comes from Polish ciepło, from Polish -o, from Polish -a, from Old Polish -ą, from Proto-Slavic -a, from Proto-Indo-European -ōd.

Ancestry of “ciepełko”, step by step

StepLanguageWordMeaning
1Polishciepłowarm, warmly
2Polish-o-ly; ly
3Polish-aforms nominative feminine nouns
4Old Polish-ąforms third person plural of verbs
5Proto-Slavic-aid
6Proto-Indo-European-ōd—
Every word from Proto-Indo-European -ōd →Every word from Polish -o →Every word from Polish -a →