Where does “chromk” come from?

chromk (Lower Sorbian) comes from Lower Sorbian -k, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “chromk”, step by step

StepLanguageWordMeaning
1Lower Sorbian-kused on masculine nouns to form a diminutive
2Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
3Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
4Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos →Every word from Proto-Slavic -kъ →Every word from Proto-Slavic -ъkъ →