From Wiktionary, the free dictionary
From баща́ (baštá, “father”) + -ин (-in, genitive suffix).
ба́щин • (báštin)
- paternal, father's (pertaining to the father)
Declension of ба́щин (no comparative)
- “бащин”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “бащин”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010