Where does “succynt” come from?

succynt (Middle English) comes from Old French succinct, from Latin succinctus, from Latin succingō, from Latin sub-, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

Ancestry of “succynt”, step by step

Step	Language	Word	Meaning
1	Old French	succinct	—
2	Latin	succinctus	ready, prepared, having been readied; succinct,...
3	Latin	succingō	to gather or tuck up (with a belt, etc.)
4	Latin	sub-	under, sub
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Latin sub- →