Meaning

verb unite on a federal basis or band together as a league

verb put under the control and authority of a federal government

verb enter into a league for a common purpose

originEtymology tree Proto-Indo-European *bʰeydʰ- Proto-Indo-European *-ós Proto-Indo-European *bʰeydʰós Proto-Italic *feiðos Latin foedusder. French fédéralder. English federal 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 English…

Etymology from Wiktionary, CC BY-SA 3.0