The story
- Proto-Italic*wre-
- Latinre-
- Proto-Indo-European*spend-
- Proto-Indo-European*spondéyeti
- Proto-Italic*spondejō
- Proto-Italic*spondeō
- Latinspondeō
- Latinrespondeō
- Latinrespōnsum
- Old Frenchrespuns
- Middle Englishrespounse
- Englishresponse
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- English todayresponseless
Etymology from Wiktionary, CC BY-SA 4.0.