Where does “sècheresse” come from?

sècheresse (French) comes from French sèche, from French sécher, from Old French secher, from Latin siccāre, from Latin siccus, from Proto-Celtic siskʷos, from Proto-Indo-European sisku-.

sècheresse (French): dryness

Definitions

dryness

Ancestry of “sècheresse”, step by step

Step	Language	Word	Meaning
1	French	sèche	feminine singular of sec; mud flat; cigarette
2	French	sécher	to dry; to play truant; to dry up, to run out of...
3	Old French	secher	Alternative form of sechier
4	Latin	siccāre	—
5	Latin	siccus	dry; sober; thirsty
6	Proto-Celtic	siskʷos	dry
7	Proto-Indo-European	sisku-	—

Every word from Proto-Indo-European sisku- →Every word from Proto-Celtic siskʷos →Every word from Latin siccus →