Archaios is not an English word, it is Greek. Here is what the Related Link (below) has to say about it: "Our word 'archaic' derives from the Greek archaios, meaning simply 'old' or 'ancient.'"
The Greek root for "matri" is "mater" meaning mother, while the Latin root is "matr" also meaning mother. The Greek root for "arch" is "archos" meaning ruler or chief, while the Latin root is "archi" meaning chief or principal.
The ancient Greek word arche (αρχή) means "beginning".
The prefix "arch-" in "architecture" comes from the Greek word "arkhi-" meaning chief or principal. Therefore, "architecture" refers to the chief design or plan of a building.
someone who builts
Patriarch comes from Latin. ~Pater meaning Father and Arch meaning over or superior
The suffix "-arch" is derived from the Greek word "arkhos," meaning "chief" or "ruler." It is used to denote a leader or a person in a position of authority.
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what is the meaning of kneeling arch back
Pertaining to a mother is the English equivalent of 'matri-'. It comes from the Latin noun 'mater', which means 'mother'. Chief, Principal is the English equivalent of 'arch-'. It comes from the Greek infinitive 'archein', which means 'to begin, to rule'.
Rule/govern
what is the meaning of kneeling arch back
Greek arche, main or principal