Where does “arc” come from?

arc (Scottish Gaelic) comes from Old Irish orc, from Proto-Celtic ɸorkos, from Proto-Indo-European pórḱos, from Proto-Indo-European perḱ-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

arc (Scottish Gaelic): Bee; Wasp; Impost, tax

Definitions

  1. Bee; Wasp; Impost, tax

Ancestry of “arc”, step by step

arc traces back through two separate lines of ancestry.

via Old Irish orc

StepLanguageWordMeaning
1Old Irishorcpiglet
2Proto-Celticɸorkospork, piglet
3Proto-Indo-Europeanpórḱospiglet
4Proto-Indo-Europeanperḱ-colored; motley; to open, rip up
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed

via Middle Irish erc

StepLanguageWordMeaning
1Middle Irisherc—
2Primitive Irishᚓᚏᚉᚐ—
3Proto-Celtic*ɸerkosspeckled
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Indo-European perḱ- →