Where does “irônico” come from?

irônico (Portuguese) comes from Late Latin ironicus, from Ancient Greek εἰρωνικός, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

irônico (Portuguese): ironic

Definitions

ironic

Ancestry of “irônico”, step by step

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

Every word from Proto-Indo-European -ḱos →Every word from Ancient Greek -ικός →Every word from Ancient Greek -κός →