Where does “neuhym” come from?

neuhym (Manx) comes from Manx sym, from Middle Irish suim, from Latin summa, from Latin summus, from Proto-Italic supemos, from Proto-Indo-European (s)úp-m̥mo-s, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

neuhym (Manx): unconcern, unconcernedness, indifference,...

Definitions

unconcern, unconcernedness, indifference,...

Ancestry of “neuhym”, step by step

Step	Language	Word	Meaning
1	Manx	sym	interest; sum
2	Middle Irish	suim	—
3	Latin	summa	top, summit, highest point or place; the...
4	Latin	summus	highest, greatest, the most high; top, on top
5	Proto-Italic	supemos	—
6	Proto-Indo-European	(s)úp-m̥mo-s	—
7	Proto-Indo-European	upó	under, below
8	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Indo-European (s)úp-m̥mo-s →