←
Old Church Slavonic тракъ (cognate)
←
Ancient Greek (mention)
←
Ancient Greek (mention)
←
Proto-Indo-Iranian *tarkúš (inherited)
←
Proto-Indo-Aryan *tarkúṣ (inherited)
←
Proto-Indo-European *terkʷ- (inherited)
←
Sanskrit तर्क (mention)
→
Old Norse þari (cognate)
→
Albanian troke (cognate)