Etymology Explorer › English

Where does “yoctosecond” come from?

yoctosecond (English) comes from English second, from Middle French seconder, from Latin secundo, from Latin secundus, from Latin sequor, from Proto-Italic sekʷōr, from Proto-Indo-European sékʷetor, from Proto-Indo-European sekʷ- — to follow; to see; to say.

yoctosecond (English): An SI unit of time equal to 10−24 seconds....

Definitions

  1. An SI unit of time equal to 10−24 seconds....

Ancestry of “yoctosecond”, step by step

StepLanguageWordMeaning
1EnglishsecondNumber-two; following after the first one with...
2Middle Frenchseconder—
3Latinsecundodative masculine singular of secundus; dative...
4Latinsecundussecond, the ordinal number after prīmus and...
5LatinsequorI follow, come or go after
6Proto-Italicsekʷōrfollow, come/go after
7Proto-Indo-Europeansékʷetorto be following
8Proto-Indo-Europeansekʷ-to follow; to see; to say
Every word from Proto-Indo-European sekʷ- →