Etchenberg looks misspelled. There was a German literary historian and philosopher named Eschenburg, and a French philosopher named Etchegoyen. Neither was alive in 1896. American and Russian were at loggerheads as usual. Russia had seized Port Arthur, Americans were suing Russia for false arrest in connection with the coronation riots, and Czar Nicholas was visiting London.
Philosophy needs little explanation.
It may have some relation to the other entries in the list. Salamagundi , variously spelled, is a dish of chopped game, chicken, or almost anything. It was popular in the Netherlands, made with pickled herring and onions. Oomisillecootsi should be Umsilikasi or Mzilikazi, the Zulu general who eventually settled in what is now Zimbabwe to become chief of the Ndebele, or Matabele. From 1847 to 1851 his men stood off the Boers well enough to force them to sign a peace treaty with them.