Where does “treskift” come from?

treskift (Swedish) comes from Swedish tre, from Old Swedish þrir, from Old Norse þrír, from Proto-Norse ᚦᚱᛁᛃᛟᛉ, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.

treskift (Swedish): three-shift the act of partitioning a 24-hour period into three work segments for continuous operation

Definitions

  1. three-shift the act of partitioning a 24-hour period into three work segments for continuous operation

Ancestry of “treskift”, step by step

treskift traces back through two separate lines of ancestry.

via Swedish tre

StepLanguageWordMeaning
1Swedishtrethree
2Old Swedishþrirthree
3Old Norseþrírthree
4Proto-Norseᚦᚱᛁᛃᛟᛉthree
5Proto-Germanicþrīzthree
6Proto-Indo-European*tréyes

via Swedish skift

StepLanguageWordMeaning
1Swedishskiftshift
Every word from Proto-Indo-European *tréyesEvery word from Proto-Germanic þrīzEvery word from Proto-Norse ᚦᚱᛁᛃᛟᛉ