Where does “contrabalanced” come from?

contrabalanced (English) comes from English Contra, from Latin contrā, from Latin ubī, from Latin cubī, from Proto-Italic *kʷuðei — where.

Ancestry of “contrabalanced”, step by step

contrabalanced traces back through two separate lines of ancestry.

via English Contra

StepLanguageWordMeaning
1EnglishContraA member of any of various rightist guerrilla...
2Latincontrāagainst
3Latinubīwhere? in what place?, in which place?
4Latincubī—
5Proto-Italic*kʷuðeiwhere

via English balanced

StepLanguageWordMeaning
1Englishbalancedsimple past tense and past participle of balance;...
Every word from Proto-Italic *kʷuðei →Every word from Latin cubī →Every word from Latin ubī →