Where does “dronuillinn” come from?

dronuillinn (Irish) comes from Irish uillinn, from Old Irish uilen, from Proto-Celtic olīnā, from Proto-Indo-European Heh₃l- — to bow, to bend; elbow.

dronuillinn (Irish): right angle

Definitions

  1. right angle

Ancestry of “dronuillinn”, step by step

dronuillinn traces back through two separate lines of ancestry.

via Irish uillinn

StepLanguageWordMeaning
1Irishuillinnelbow
2Old Irishuilenelbow, forearm; angle, corner
3Proto-Celticolīnāelbow, angle
4Proto-Indo-EuropeanHeh₃l-to bow, to bend; elbow

via Irish drón

StepLanguageWordMeaning
1Irishdróndrone
2EnglishdroneA male ant, bee or wasp, which does not work but...
3Middle Englishdrounento roar, bellow
Every word from Proto-Indo-European Heh₃l-