Reconstruction:Proto-Slavic/svatъ

Etymology
If 🇨🇬 is a cognate (rather than a borrowing), then perhaps both inherited from. Ultimately, from a t-extension of, whence also 🇨🇬, ; 🇨🇬.

Machek advocates for an original u-stem in view of related 🇨🇬 (< ).

Noun

 * 1) father of one of the newlyweds
 * 2)  wedder, matchmaker attendant of a wedding

Descendants

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 * West Slavic:
 * Sorbian:
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