Slovak tŕň

← Bulgarian трън (cognate)

← English thorn (cognate)

← Russian тёрн (cognate)

← Russian терние (mention)

← Sanskrit तृण (cognate)

← Serbo-Croatian трн (cognate)

← Serbo-Croatian trn (mention)

← Slovene trn (mention)

← Proto-Slavic *tьrnъ (inherited)

→ Old English þorn (cognate)

→ Czech trn (cognate)

→ Russian тёрн (cognate)

→ Serbo-Croatian trn (cognate)

→ Serbo-Croatian трн (cognate)