Where does “płyciutko” come from?

płyciutko (Polish) comes from Polish płyciutki, from Polish -utki, from Polish -ki, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “płyciutko”, step by step

StepLanguageWordMeaning
1Polishpłyciutki
2Polish-utkidiminutive adjective suffix
3Polish-kiforms masculine adjectives
4Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
5Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
6Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos