Lithuanian tingus

← Proto-Balto-Slavic *ting- (derived)

← Proto-Indo-European *tengʰ- (derived)

← Proto-Iranian *θanǰáyati (cognate)

← Old Norse þungr (cognate)

← Proto-Slavic *tęžьkъ (cognate)

→ Westrobothnian tong (mention)

→ Old Norse þungr (cognate)