From Wiktionary, the free dictionary
Inherited from Proto-Slavic *sypьjь. By surface analysis, си́пя (sípja, “to pour”) + -ей (-ej). Compare Proto-Slavic *sъpъ (“embankment”).
си́пей • (sípej) m
- scree
Declension of си́пей
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singular
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plural
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indefinite
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си́пей sípej
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си́пеи sípei
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definite (subject form)
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си́пеят sípejat
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си́пеите sípeite
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definite (object form)
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си́пея sípeja
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count form
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—
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си́пея sípeja
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- “сипей”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “сипей”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010