Where does “sdim” come from?

sdim (Welsh) comes from Welsh dim — any; no, not, none; anything.

Ancestry of “sdim”, step by step

sdim traces back through two separate lines of ancestry.

via Welsh dim

StepLanguageWordMeaning
1Welshdimany; no, not, none; anything

via Welsh does

StepLanguageWordMeaning
1Welshdoesthird-person singular existential negative of bod
Every word from Welsh dim