Where does “null persistent” come from?

null persistent (English) comes from English persistent, from Latin persistēns, from Latin persisto, from Latin sistō, from Proto-Italic sistō, from Proto-Indo-European stísteh₂ti, from Proto-Indo-European steh₂- — to stand.

null persistent (English): persistent with infinite expected return time

Definitions

  1. persistent with infinite expected return time

Ancestry of “null persistent”, step by step

null persistent traces back through two separate lines of ancestry.

via English persistent

StepLanguageWordMeaning
1EnglishpersistentObstinately refusing to give up or let go;...
2Latinpersistēnspersisting, remaining
3LatinpersistoI persist, continue steadfastly; I remain
4Latinsistōto cause to stand; to set; to place
5Proto-Italicsistōstand; place
6Proto-Indo-Europeanstísteh₂tito be standing up, to be getting up
7Proto-Indo-Europeansteh₂-to stand

via English null

StepLanguageWordMeaning
1EnglishnullA non-existent or empty value or set of values;...
2Middle Frenchnulnobody; no one; none
3Old Frenchnulnobody; no one; none
4Latinnūllusno one, none, not any, nothing
5Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European steh₂-
null persistent — Etymology, Origin & Word History | Etymology Explorer