Where does “unpompousness” come from?

unpompousness (English) comes from English unpompous, from English pompous, from Middle English pompous, from Old French pompeux, from Late Latin pomposus, from Latin pompa, from Ancient Greek πομπή, from Ancient Greek -ή.

unpompousness (English): The quality of not being pompous

Definitions

The quality of not being pompous

Ancestry of “unpompousness”, step by step

unpompousness traces back through two separate lines of ancestry.

via English unpompous

Step	Language	Word	Meaning
1	English	unpompous	Not pompous
2	English	pompous	Affectedly grand, solemn or self-important
3	Middle English	pompous	—
4	Old French	pompeux	—
5	Late Latin	pomposus	—
6	Latin	pompa	procession, parade; pomp
7	Ancient Greek	πομπή	a sending; a solemn procession; pomp
8	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
9	Ancient Greek	-ᾱ	nominal suffix
10	Proto-Indo-European	-éh₂	—

via English Ness

Step	Language	Word	Meaning
1	English	Ness	An Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2	Middle English	nesse	—
3	Old English	næs	not, not at all; not; first/third-person singular...
4	Proto-Germanic	nasją	foothill; headland; cape
5	Proto-Indo-European	néh₂s	nose

Every word from Proto-Indo-European -éh₂ →Every word from Ancient Greek -ή →Every word from Ancient Greek -ᾱ →