Where does “twill” come from?

Twill comes from Middle English twyll, from Old English twilic, from Latin bilix meaning "having two threads," ultimately from Proto-Indo-European dwóh₁ meaning "two."

twill (English): A pattern, characterised by diagonal ridges,...

Definitions

  1. A pattern, characterised by diagonal ridges,...

Ancestry of “twill”, step by step

twill traces back through two separate lines of ancestry.

via Middle English twyll

StepLanguageWordMeaning
1Middle Englishtwyll
2Old Englishtwilictwo-threaded
3Latinbilixhaving a double thread
4Latinbistwice, two times, on two occasions, in two ways
5Latincolorcolour, shade; color; pigment; complexion
6Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
7Ancient Greek-τρονForms instrument nouns
8Proto-Hellenic-tronForms instrument nouns from verb stems
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via Maltese twil

StepLanguageWordMeaning
1Maltesetwillong; tall; long
2Moroccan Arabicطويلlong, tall
3Arabicطَوِيلtall, long; long, tall; long, high, large

Words derived from “twill

Every word from Proto-Indo-European -tḗr
twill — Etymology, Origin & Word History | Etymology Explorer