Where does “tólfræður” come from?

tólfræður (Icelandic) comes from Icelandic tólf, from Old Norse tólf, from Proto-Germanic twalif, from Proto-Germanic -lif, from Proto-Indo-European leyp-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

tólfræður (Icelandic): one hundred and twenty fathoms tall/deep/long/across/etc

Definitions

  1. one hundred and twenty fathoms tall/deep/long/across/etc

Ancestry of “tólfræður”, step by step

StepLanguageWordMeaning
1Icelandictólftwelve; the cardinal number after ellefu and...
2Old Norsetólftwelve
3Proto-Germanictwaliftwelve
4Proto-Germanic-lifleft over
5Proto-Indo-Europeanleyp-to stick; fat or sticky substance
6Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...
Every word from Proto-Indo-European lēy- →Every word from Proto-Indo-European leyp- →Every word from Proto-Germanic -lif →