Spread of four words for 'camel' across the Old World

Map is somewhat wrong in the balkans , serbo-croatians uses kamila (as romanians do) much more than deva ( turkic version )

Very interesting! I wouldn't mind seeing more maps like this one.
- An app that would draw up a similar map for any word you plugged into it would be endlessly fascinating to me.

In Iceland we say both Kameldýr which is similar to the rest of Europe, and Úlfaldi which seems more in line with the Indo-Iranian branch.
- Kameldýr
  Camel + animal? I wonder, does the element "kamel" resembles any other, non-animal words? (I studied Icelandic a bit as a teen, but it's been a long time since then.)
  
  Not any word I know about. Chameleons are named Kamelljón (Camel + lion) but that's just because it sounds like the English word. As far as I know, "kamel" is just loaned directly from other languages.

It seems キャメル (kyameru / camel) is far more common in Japanese then ラクダ (rakuta).
- I wonder if the first word was introduced to Japan by the Portuguese?
  
  Isn't it Camel(l)o in Portuguese? Also going by the map above?

Interesting that the majority of European languages seem to get it from the Semitic family, rather than from within their fellow Indo-European language family. Etymonline suggests, and the picture reinforces, that it mostly got there via Greek. So I suspect we have Alexander the Great, or possibly earlier interactions between Greek states and Phoenicians, Hebrews, and Arabs, for that borrowing.
- Κάμηλος (kámēlos) existed in Greek before Alexander adventures (we find it in Herodotus, Agatharchus or the Septuagint); an etymology book I have says it probably comes from Babylonian, but doesn't explain why.
  
  an etymology book I have
  Name, please. Inquiring word nerds must know more.

Love this!
I think teve is my favorite. I think we should steal it. On an unrelated note, why is the German the only one capitalized? 👀
- german capitalizes all nouns
  
  Really? Interesting, I did not know that!