Where does “βασιλικὴ στοά/οἰκία” come from?

βασιλικὴ στοά/οἰκία (Ancient Greek) comes from Ancient Greek βασιλικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

βασιλικὴ στοά/οἰκία (Ancient Greek): royal hall

Definitions

royal hall

Ancestry of “βασιλικὴ στοά/οἰκία”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	βασιλικός	royal, kingly, regal
2	Ancient Greek	-ικός	of or pertaining to, in the manner of; -ic
3	Ancient Greek	-κός	forms adjectives with the sense of 'of or...
4	Proto-Indo-European	-ḱos	-y, -ic

Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →