Serbo-Croatian trn

← Bulgarian трън (cognate)

← Czech trn (cognate)

← English thorn (cognate)

← Russian тёрн (cognate)

← Russian терние (mention)

← Sanskrit तृण (cognate)

← Slovak tŕň (cognate)

← Proto-Slavic *tьrnъ (inherited)

→ Serbo-Croatian trnka (affix)

→ Slovak tŕň (mention)