Where does “residing” come from?

Residing comes from English reside, from Old French resider, from Latin resideo, combining the prefix re- with the root sed- meaning "to sit," ultimately from Proto-Indo-European sed-.

residing (English): present participle of reside

Definitions

present participle of reside

Ancestry of “residing”, step by step

Step	Language	Word	Meaning
1	English	reside	To dwell permanently or for a considerable time;...
2	Old French	resider	—
3	Latin	resideō	to reside, abide, tarry, linger
4	Latin	sedeō	to sit, to be seated
5	Proto-Italic	sedēō	sit, be sitting, be seated
6	Proto-Indo-European	sḗd-	to sit

Words derived from “residing”

nonresiding

Every word from Proto-Indo-European sḗd- →Every word from Proto-Italic sedēō →Every word from Latin sedeō →