Where does “pompous” come from?

pompous (Middle English) comes from Old French pompeux, from Late Latin pomposus, from Latin pompa, from Ancient Greek πομπή, from Ancient Greek -ή, from Ancient Greek -ᾱ, from Proto-Indo-European -éh₂.

Ancestry of “pompous”, step by step

Step	Language	Word	Meaning
1	Old French	pompeux	—
2	Late Latin	pomposus	—
3	Latin	pompa	procession, parade; pomp
4	Ancient Greek	πομπή	a sending; a solemn procession; pomp
5	Ancient Greek	-ή	suffix of feminine nouns in the [[Appendix:Ancient Greek first declension
6	Ancient Greek	-ᾱ	nominal suffix
7	Proto-Indo-European	-éh₂	—

Words derived from “pompous”

pompous
pompously
pompousness
unpompous
unpompously
overpompous
unpompousness

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