Where does “insomniosus” come from?

insomniosus (Latin) comes from Latin īnsomnia, from Latin īnsomnis, from Latin in- -is, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

insomniosus (Latin): sleepless

Definitions

sleepless

Ancestry of “insomniosus”, step by step

Step	Language	Word	Meaning
1	Latin	īnsomnia	sleeplessness, insomnia
2	Latin	īnsomnis	sleepless, unsleeping
3	Latin	in- -is	less, without, lacking
4	Latin	īn-	un-, non-, not
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

Words derived from “insomniosus”

insomnious

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →