Where does “safe word” come from?

safe word (English) comes from English safe, from Middle English sauf, from Old French sauf, from Latin salvus, from Proto-Italic *salawos, from Proto-Indo-European solh₂wós, from Proto-Indo-European sōlh₂- — mercy, comfort; comfort, mercy.

safe word (English): Alternative form of safeword

Definitions

  1. Alternative form of safeword

Ancestry of “safe word”, step by step

safe word traces back through two separate lines of ancestry.

via English safe

StepLanguageWordMeaning
1EnglishsafeNot in danger; out of harm's reach; Free from...
2Middle EnglishsaufNot having experienced harm, damage, or ill...
3Old Frenchsauf
4Latinsalvussafe, saved, preserved, sound, unharmed,...
5Proto-Italic*salawoswhole
6Proto-Indo-Europeansolh₂wós
7Proto-Indo-Europeansōlh₂-mercy, comfort; comfort, mercy

via English Word

StepLanguageWordMeaning
1EnglishWordScripture; The Bible; The creative word of God;...
2EnglishworthHaving a value of; proper to be exchanged for;...
3Middle Englishworthto become
4Old Englishweorþworth, deserving; honoured, esteemed; worth,...
5Proto-Germanicwerþazworthy, valuable
6Proto-Indo-Europeanwert-to turn, to rotate
7Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European sōlh₂-Every word from Proto-Indo-European solh₂wósEvery word from Proto-Italic *salawos
safe word — Etymology, Origin & Word History | Etymology Explorer