極々 (gokugoku: extremely) extreme + extreme
極々基礎的なもので結構です。
Gokugoku kisotekina mono de kekkō desu.
Something extremely basic would be good.基礎的 (kisoteki: fundamental, basic)
base + basis + adjectival suffix
結構 (kekkō: fine) to set up + structureNo idea what’s going on with this breakdown!