Where does “positive recurrent” come from?

positive recurrent (English) comes from English recurrent, from Latin recurrens, from Latin recurrō, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro-, from Proto-Indo-European pro- — passed , crossed.

positive recurrent (English): recurrent with finite expected return time

Definitions

  1. recurrent with finite expected return time

Ancestry of “positive recurrent”, step by step

positive recurrent traces back through two separate lines of ancestry.

via English recurrent

StepLanguageWordMeaning
1EnglishrecurrentRecurring; happening time after time;...
2Latinrecurrensrunning or hastening back; returning, reverting,...
3Latinrecurrōto run or hasten back
4Latinrĕ-back, backwards
5Latinprōdūcōto lead or bring forth, forward or out
6Latinprō-forward direction, forward movement
7Proto-Italic*pro-pro- see the Latin entry for further meanings
8Proto-Indo-Europeanpro-toward, forward
9Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
10Proto-Indo-Europeanper-before, in front; first; to go through
11Proto-Indo-Europeanpr̥tóspassed , crossed

via English positive

StepLanguageWordMeaning
1EnglishpositiveNot negative or neutral; Formally laid down;...
2Old Frenchpositif
3Latinposītivuspositive
4Latinpōnōto place; to put; to lay
5Proto-Italicpoznō
6Proto-Italicpozinō
7Proto-Italicsinō
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin rĕ-