Where does “Trucial States” come from?

Trucial States (English) comes from English trucial, from English truce, from Middle English trewes, from Middle English trewe, from Old English trēowa, from Old English trēow, from Proto-West Germanic treu, from Proto-Germanic trewą — hard, firm, strong, solid; hard, fast; tree.

Ancestry of “Trucial States”, step by step

Trucial States traces back through 3 separate lines of ancestry.

via English trucial

StepLanguageWordMeaning
1EnglishtrucialOf or pertaining to a truce; specifically, to the...
2Englishtrucea period of time in which no fighting takes place...
3Middle Englishtrewes—
4Middle EnglishtreweFaithful, loyal, trustworthy; Concerned about...
5Old Englishtrēowa—
6Old Englishtrēowtree, wood, timber, beam, log, stake, stick,...
7Proto-West Germanictreutree; wood
8Proto-Germanictrewątree
9EnglishdoruAlternative form of dory
10Ancient Greekδόρυwood, tree, stem; spear shaft, spear, lance,...
11Proto-Hellenicdórutree
12Proto-Indo-Europeandórutree
13Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

via English [[state

StepLanguageWordMeaning
1English[[state—

via English states]]

StepLanguageWordMeaning
1Englishstates]]—
Every word from Proto-Indo-European drew- →Every word from Proto-Indo-European dóru →Every word from Proto-Hellenic dóru →