Where does “trenchwise” come from?

trenchwise (English) comes from English trench, from Old French trenche, from Old French trenchier, from Vulgar Latin trinicare, from Latin trini, from Latin tres, from English three, from Middle English thre.

trenchwise (English): In the manner of a trench or ditch

Definitions

  1. In the manner of a trench or ditch

Ancestry of “trenchwise”, step by step

trenchwise traces back through two separate lines of ancestry.

via English trench

StepLanguageWordMeaning
1EnglishtrenchA long, narrow ditch or hole dug in the ground; A...
2Old Frenchtrenchetrench; first-person singular present indicative...
3Old Frenchtrenchierto cut
4Vulgar Latintrinicarecut into three parts; cut in three parts
5Latintrininominative masculine plural of trīnus; genitive...
6Latintresthree; 3
7EnglishthreeA numerical value after two and before four....
8Middle Englishthrethree
9Old Englishþrīthree
10Proto-West Germanicþrīʀthree
11Proto-Germanicþrīzthree
12Proto-Indo-European*tréyes

via English wise

StepLanguageWordMeaning
1EnglishwiseShowing good judgement or the benefit of...
2Middle Englishwyswise, thoughtful, proper; knowledgeable; alert,...
3Old Englishwīswise
4Proto-Germanicwīsazwise, knowledgeable
5Proto-Indo-Europeanweydstosknowledgeable
6Proto-Indo-Europeanweyd-to see
Every word from Proto-Indo-European *tréyes