Where does “exspatior” come from?

exspatior (Latin) comes from Latin spatior, from Latin spatium, from Proto-Indo-European spéh₁-, from Proto-Indo-European speh₁- — to succeed, to prosper.

exspatior (Latin): to go off course

Definitions

to go off course

Ancestry of “exspatior”, step by step

Step	Language	Word	Meaning
1	Latin	spatior	I go for a walk; walk around; stroll, promenade;...
2	Latin	spatium	Space, room, extent; Distance between points; A...
3	Proto-Indo-European	spéh₁-	to succeed, to prosper
4	Proto-Indo-European	speh₁-	to succeed, to prosper

Every word from Proto-Indo-European speh₁- →Every word from Proto-Indo-European spéh₁- →Every word from Latin spatium →