Where does “antidam” come from?

antidam (English) comes from English dam, from English damn, from Middle English dampnen, from Old French dampner, from Latin damnō, from Latin damnum, from Proto-Italic dapnom, from Proto-Indo-European dh₂pnóm — to share, divide.

antidam (English): Opposing the construction of a dam

Definitions

  1. Opposing the construction of a dam

Ancestry of “antidam”, step by step

antidam traces back through two separate lines of ancestry.

via English dam

StepLanguageWordMeaning
1EnglishdamA structure placed across a flowing body of water...
2EnglishdamnTo condemn to hell; To condemn; to declare...
3Middle Englishdampnento damn
4Old Frenchdampnerto damn
5Latindamnōto discredit, find fault, disapprove, reject
6Latindamnumdamage or injury; loss; a fine
7Proto-Italicdapnom
8Proto-Indo-Europeandh₂pnómexpense, investment
9Proto-Indo-Europeandeh₂p-to sacrifice; to lose
10Proto-Indo-Europeandeh₂-to share, divide

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European deh₂-Every word from Proto-Indo-European deh₂p-Every word from Proto-Indo-European dh₂pnóm
antidam — Etymology, Origin & Word History | Etymology Explorer