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didukh

alt. A Ukrainian Christmas decoration representing an offering of the best of the harvest, and consisting of wheat ears or stalks tied up with colorful threads. n. A Ukrainian Christmas decoration representing an offering of the best of the harvest, and consisting of wheat ears or stalks tied up with colorful threads.

Wikipedia
Didukh

A diduch, or didukh , is a Ukrainian Christmas decoration; made from a sheaf of wheat, it is a symbolic sacrifice taken from the best of the autumn harvest. "Didukh" literally means " the spirit of ancestors". Didukhy are traditionally made from the first or the last stalks of wheat reaped during the year. It symbolizes the household's wish for an abundance of nature and a bountiful harvest for the upcoming year. Before the holidays, wheat ears or stalks are gathered with colorful threads, then the bunches are tied with ribbons. A didukh is placed in most Ukrainian homes before Christmas, and kept until Maslenitsa (Carnival).