Inherited from Proto-Slavic *opsika.
оси́ка • (osíka) f (dialectal)
- aspen, apse (tree of genus Populus, usually European aspen)
- Synonym: трепетли́ка (trepetlíka)
- “осика”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
- “осика”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010