Where does “kaustiikka” come from?

kaustiikka (Finnish) comes from Latin causticus, from Ancient Greek καυστικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

kaustiikka (Finnish): caustic envelope of reflected or refracted rays

Definitions

  1. caustic envelope of reflected or refracted rays

Ancestry of “kaustiikka”, step by step

StepLanguageWordMeaning
1Latincausticusburning
2Ancient Greekκαυστικόςburning
3Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
4Ancient Greek-κόςforms adjectives with the sense of 'of or...
5Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →