Experience Iceland! foss = waterfall
jökull = glacier
hestur = horse
lón = lagoon
Góðan dag = good morning, good day, good afternoon
Super jeep (though not Icelandic!) = big SUV, modified on tires 35″ and bigger.
Learn some Icelandic!
It can be useful to learn some Icelandic words to better understand signs, maps, instructions and just to have more fun in your tour!