Here is an Ukrainian wiki page describing Malevich's painting "Woodcutter": https://uk.wikipedia.org/wiki/Дроворуб https://uk.wikipedia.org/wiki/Дроворуб > D

Here is an Ukrainian wiki page describing Malevich's painting "Woodcutter": https://uk.wikipedia.org/wiki/Дроворуб https://uk.wikipedia.org/wiki/Дроворуб > Drovorub (rus. Drovosek) Here is also a wiktionary page for "drovorub": https://ru.wiktionary.org/wiki/дроворуб https://ru.wiktionary.org/wiki/дроворуб It clearly identifies this word as Ukrainian.