Where does “ironisk” come from?

ironisk (Danish) comes from Ancient Greek εἰρωνικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

ironisk (Danish): ironic

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	εἰρωνικός	insincere, feigning ignorance
2	Ancient Greek	-ικός	of or pertaining to, in the manner of; -ic
3	Ancient Greek	-κός	forms adjectives with the sense of 'of or...
4	Proto-Indo-European	-ḱos	-y, -ic