Where does “triweekly” come from?

triweekly (English) comes from English weekly, from Middle English wykely, from Middle English wyke, from Old English wīc, from German witz, from Middle High German witz, from Old High German wizzi, from Proto-West Germanic wītī — to see.

triweekly (English): Occurring three times per week; Occurring once...

Definitions

  1. Occurring three times per week; Occurring once...

Ancestry of “triweekly”, step by step

triweekly traces back through two separate lines of ancestry.

via English weekly

StepLanguageWordMeaning
1EnglishweeklyOnce every week; Every week; Of or relating to a...
2Middle Englishwykelyweekly each seven days
3Middle EnglishwykeAlternative form of wikke; Alternative form of...
4Old Englishwīcdwelling place, abode; abode, dwelling-place;...
5Germanwitzjoke
6Middle High Germanwitz
7Old High Germanwizzi
8Proto-West Germanicwītīpunishment
9Proto-Germanicwitjąknowledge; reason; sense; understanding; wit
10Proto-Germanic*witaną
11Proto-Indo-Europeanwóydeto have seen, to know
12Proto-Indo-Europeanweyd-to see

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree
Every word from Proto-Indo-European weyd-