Where does “arkiteoria” come from?

arkiteoria (Finnish) comes from Finnish teoria, from Late Latin theoria, from Ancient Greek θεωρός, from Ancient Greek θέα, from Proto-Hellenic *tʰáwā.

arkiteoria (Finnish): layman's theory

Definitions

layman's theory

Ancestry of “arkiteoria”, step by step

arkiteoria traces back through two separate lines of ancestry.

via Finnish teoria

Step	Language	Word	Meaning
1	Finnish	teoria	theory
2	Late Latin	theoria	contemplation, speculation; speculation, theory
3	Ancient Greek	θεωρός	spectator; envoy sent to consult an oracle
4	Ancient Greek	θέα	view, sight
5	Proto-Hellenic	*tʰáwā	—

via Finnish arki

Step	Language	Word	Meaning
1	Finnish	arki	ordinary, mundane or non-special days in life;...
2	Proto-Finnic	arki	ordinary, mundane day
3	Proto-Germanic	argį̄	wickedness

Every word from Proto-Hellenic *tʰáwā →Every word from Ancient Greek θέα →Every word from Ancient Greek θεωρός →