Where does “Celticness” come from?

Celticness (English) comes from English Celtic, from French celtique, from Latin Celticus, from Latin Celta, from Latin Celtae, from Ancient Greek Κελτοί, from Proto-Celtic kel-to, from Proto-Indo-European ḱelh₂- — to pierce, strike; to stick; prick; stab.

Celticness (English): The quality or state of being Celtic

Definitions

  1. The quality or state of being Celtic

Ancestry of “Celticness”, step by step

Celticness traces back through two separate lines of ancestry.

via English Celtic

StepLanguageWordMeaning
1EnglishCelticOf the Celts; Of the style of the Celts
2FrenchceltiqueCeltic
3LatinCelticusCeltic; the Celtic language
4LatinCeltaa Celt
5LatinCeltaethe Celts
6Ancient GreekΚελτοίthe Celts
7Proto-Celtickel-to
8Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European ḱelh₂-Every word from Proto-Celtic kel-toEvery word from Ancient Greek Κελτοί
Celticness — Etymology, Origin & Word History | Etymology Explorer