Where does “-sion” come from?

-sion (French) comes from Latin -sio, from Volapük si — yes.

Ancestry of “-sion”, step by step

StepLanguageWordMeaning
1Latin-sioAlternative form of -tiō
2Volapüksiyes

Words derived from “-sion”

Every word from Volapük si →Every word from Latin -sio →