Where does “barrierlessness” come from?

barrierlessness (English) comes from English barrierless, from English barrier, from Middle English barryer, from Old French barriere, from Old French barre, from Vulgar Latin barra, from Frankish bara, from Proto-Germanic barō — to pierce; to strike; brown.

barrierlessness (English): Absence of barriers

Definitions

  1. Absence of barriers

Ancestry of “barrierlessness”, step by step

barrierlessness traces back through two separate lines of ancestry.

via English barrierless

StepLanguageWordMeaning
1EnglishbarrierlessLacking barriers; Not requiring activation energy
2EnglishbarrierA structure that bars passage; An obstacle or...
3Middle Englishbarryer
4Old Frenchbarriere
5Old Frenchbarrebar
6Vulgar Latinbarrabarrier
7Frankishbarabar, beam, barrier, fence
8Proto-Germanicbarōbeam, bar, barrier
9Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown

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 bʰerH-
barrierlessness — Etymology, Origin & Word History | Etymology Explorer