Arc, the celestial bow
Arch, the human copy

An, sky Goddess of ancient Sumer… 
Anarchy , the rule of An… 

Words have been biaised over the centuries
And seeking their source reveals
Another meaning…. 

” Arc is not an actual structure: it serves only to define the shape of the real structure (the sky). …

Arc, Noun [ C ] (CURVE) the shape of part of a circle, or other curved line. 
Arch. Noun [ C ] (CURVED STRUCTURE) a structure, consisting of a curved top on two supports, that holds the weight of something above it.

Origin of the word Arc – late Middle English (denoting the path of a celestial object, especially the sun, from horizon to horizon): via Old French from Latin arcus ‘bow, curve’.
Origin of the word Arch – Middle English: from Old French arche, based on Latin arcus ‘bow’.

Further research shows that both arc and arch have an origin in ancient Greek. 
The Greek root arch means “rule.” This Greek root is the word origin of a fair number of English vocabulary words, including matriarch, patriarch, and oligarchy. The root arch is easily recalled via the word anarchy, which is a period of time in which there is no “rule” at all in a country. ” – Sonny

Orbits, celestial bows
Horizons, earthly reflects

Ana, mother of Irish Gods
in ancient celtic (Gaelic) culture…
‘íath Anann.’… Éire…

A fairy tale?
Rather not…

And Hannah, 
mother or Maryam