Where does “pillary” come from?

pillary (English) comes from English pillar, from Old French pilier, from Vulgar Latin pilare, from Latin pila, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo- — to grind, to crush.

Ancestry of “pillary”, step by step

pillary traces back through two separate lines of ancestry.

via English pillar

StepLanguageWordMeaning
1EnglishpillarA large post, often used as supporting...
2Old Frenchpilier
3Vulgar Latinpilarea pillar
4Latinpilamortar; pillar; pier
5Latinpīlusa hair
6Latinpīluma pounder, pestle
7Proto-Italicpistlom
8Proto-Indo-Europeanpis-tlo-
9Proto-Indo-Europeanpeys-to grind, to crush

via English Y

StepLanguageWordMeaning
1EnglishYA figure or mark in the shape of the letter Y; A...
2EnglishyuriA narrative or visual work featuring a romance or...
3Japanese百合lily
4Japanese連用形an inflectional category: the continuative or...
5Japanese見るto see, to watch, to observe, to look at...
6Japanesea dream; a vision; leaving reality to the state...
7Old Japanesea dream
8Japanesean order in biology: smaller than a class, bigger...
9Middle Chinese
Every word from Proto-Indo-European peys-
pillary — Etymology, Origin & Word History | Etymology Explorer