From Wiktionary, the free dictionary
From Proto-Slavic *sǫsědъ. Cognate with Russian сосе́д (soséd), Polish sąsiad.
съсе́д • (sǎséd) m (feminine съсе́дка)
- neighbour (a person living on adjacent or nearby land)
- “съсед”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “съсед”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010