Where does “unretrenchable” come from?

unretrenchable (English) comes from English retrenchable, from English retrench, from English trench, from Old French trenche, from Old French trenchier, from Vulgar Latin trinicare, from Latin trini, from Latin tres.

unretrenchable (English): Unable to be retrenched

Definitions

  1. Unable to be retrenched

Ancestry of “unretrenchable”, step by step

unretrenchable traces back through two separate lines of ancestry.

via English retrenchable

StepLanguageWordMeaning
1EnglishretrenchableAble to be retrenched
2EnglishretrenchTo cut down or reduce; To confine; to limit; to...
3EnglishtrenchA long, narrow ditch or hole dug in the ground; A...
4Old Frenchtrenchetrench; first-person singular present indicative...
5Old Frenchtrenchierto cut
6Vulgar Latintrinicarecut into three parts; cut in three parts
7Latintrininominative masculine plural of trīnus; genitive...
8Latintresthree; 3
9EnglishthreeA numerical value after two and before four....
10Middle Englishthrethree
11Old Englishþrīthree
12Proto-West Germanicþrīʀthree
13Proto-Germanicþrīzthree
14Proto-Indo-European*tréyes

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European *tréyes
unretrenchable — Etymology, Origin & Word History | Etymology Explorer