Where does “unhilarious” come from?

unhilarious (English) comes from English hilarious, from Latin hilaris, from Ancient Greek ἱλαρός, from Ancient Greek ἵλαος, from Proto-Indo-European sēlh₂- — to calm, quiet, be favourable.

unhilarious (English): Not hilarious; devoid of hilarity

Definitions

Not hilarious; devoid of hilarity

Ancestry of “unhilarious”, step by step

Step	Language	Word	Meaning
1	English	hilarious	Very funny; causing great merriment and laughter;...
2	Latin	hilaris	cheerful, lively, light-hearted, merry
3	Ancient Greek	ἱλαρός	cheerful, merry, joyous, glad, happy
4	Ancient Greek	ἵλαος	propitious, gracious, merciful; kind, mild,...
5	Proto-Indo-European	sēlh₂-	to calm, quiet, be favourable

Every word from Proto-Indo-European sēlh₂- →