Where does “man-rate” come from?

man-rate (English) comes from English rate, from French rate, from French rat, from Middle French rat, from Old French rat, from Old High German rato, from Proto-Germanic ratō, from Proto-Germanic rattaz — to scrape.

man-rate (English): To certify as safe for a human crew to operate

Definitions

  1. To certify as safe for a human crew to operate

Ancestry of “man-rate”, step by step

man-rate traces back through two separate lines of ancestry.

via English rate

StepLanguageWordMeaning
1EnglishrateThe worth of something; value; The proportional...
2Frenchratespleen; female equivalent of rat; female rat;...
3Frenchratrat; sweetheart; scrooch
4Middle Frenchratrat
5Old Frenchratrat rodent
6Old High Germanratorat
7Proto-Germanicratō
8Proto-Germanicrattazrat
9Proto-Indo-EuropeanHreh₃d-to scrape

via English MAN

StepLanguageWordMeaning
1EnglishMANInitialism of Metropolitan Area Network
2EnglishmanualA handbook; A booklet that instructs on the usage...
3Middle Englishmanuel
4Anglo-Normanmanuelmanual; done with the hands; handle; manual;...
5Old Frenchmanual
6Latinmanuālishand
7Latinmanushand; bravery, valor; violence, fighting
8Proto-Italicmanushand
9Proto-Indo-Europeanman-human being; man; hand
Every word from Proto-Indo-European Hreh₃d-