Where does “ceilinglessness” come from?

ceilinglessness (English) comes from English ceilingless, from English ceiling, from Middle English celing, from Middle English celen, from Old French celer, from Latin celō — to hide (something from someone), cover, keep a secret, conceal.

ceilinglessness (English): Absence of a ceiling

Definitions

  1. Absence of a ceiling

Ancestry of “ceilinglessness”, step by step

ceilinglessness traces back through two separate lines of ancestry.

via English ceilingless

StepLanguageWordMeaning
1EnglishceilinglessWithout a ceiling
2EnglishceilingThe overhead closure of a room; The upper limit...
3Middle Englishcelingpaneling; cover or hanging
4Middle Englishcelento cover or panel walls
5Old Frenchcelerto conceal
6Latincelōto hide (something from someone), cover, keep a secret, conceal

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 Latin celōEvery word from Old French celerEvery word from Middle English celen
ceilinglessness — Etymology, Origin & Word History | Etymology Explorer