Old Norse þéttr

← Proto-Germanic *þinhtaz (inherited)

→ Danish tæt (derived)

→ Middle English tyght (borrowed)

→ Faroese tættur (inherited)

→ Westrobothnian tjett (inherited)

→ Westrobothnian tjett (mention)

→ Westrobothnian tjett (mention)

→ Icelandic þéttur (inherited)

→ Norwegian Bokmål tett (inherited)

→ Norwegian Nynorsk tett (inherited)

→ Russian туча (cognate)

→ Scots ticht (borrowed)

→ Albanian tangallë (cognate)

→ Swedish fil (derived)

→ Swedish tät (derived)