deaggressivization

Etymology tree Proto-Indo-European *de Proto-Italic *dē Latin dē Latin dē-der. English de- Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *gʰredʰ-der. Latin gradior Latin aggredior Latin aggressuslbor. English aggress Proto-Indo-European *-wósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English aggressive Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ization English deaggressivization From de- + aggressive + -ization.

来源：wiktionary