Russian тёрн

← Czech trn (cognate)

← German Dorn (cognate)

← English thorn (cognate)

← Serbo-Croatian tȓn (cognate)

← Slovak tŕň (cognate)

← Proto-Slavic *tьrnъ (inherited)

→ English thorn (cognate)

→ Old English þorn (cognate)

→ Czech trn (cognate)

→ Old Saxon thorn (cognate)

→ Russian терние (mention)

→ Serbo-Croatian trn (cognate)

→ Serbo-Croatian трн (cognate)

→ Slovak tŕň (cognate)