Where does “retpoline” come from?

retpoline (English) comes from English return, from Middle English returnen, from Anglo-Norman returner, from Old French retourner, from Medieval Latin retornare, from Latin rĕ-, from Latin prōdūcō, from Latin prō- — passed , crossed.

retpoline (English): A code construct that uses return operations to prevent speculative execution

Definitions

  1. A code construct that uses return operations to prevent speculative execution

Ancestry of “retpoline”, step by step

retpoline traces back through two separate lines of ancestry.

via English return

StepLanguageWordMeaning
1EnglishreturnTo come or go back; To go back in thought,...
2Middle Englishreturnento return
3Anglo-NormanreturnerAlternative form of retorner
4Old FrenchretournerAlternative form of retorner
5Medieval Latinretornareto turn back
6Latinrĕ-back, backwards
7Latinprōdūcōto lead or bring forth, forward or out
8Latinprō-forward direction, forward movement
9Proto-Italic*pro-pro- see the Latin entry for further meanings
10Proto-Indo-Europeanpro-toward, forward
11Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
12Proto-Indo-Europeanper-before, in front; first; to go through
13Proto-Indo-Europeanpr̥tóspassed , crossed

via English trampoline

StepLanguageWordMeaning
1EnglishtrampolineA gymnastic and recreational device consisting of...
2Spanishtrampolínspringboard, diving board; trampoline
3Italiantrampolinospringboard, diving board; stepping stone,...
4Italiantrampolostilt
5Germantrampelnto trample
6Middle High Germantrampeln
7Middle Low Germantrampelnto walk with heavy steps
Every word from Proto-Indo-European pr̥tós
retpoline — Etymology, Origin & Word History | Etymology Explorer