Where does “subfemtosecond” come from?

subfemtosecond (English) comes from English femtosecond, 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 — to follow; to see; to say.

subfemtosecond (English): Of or pertaining to time spans of less than a...

Definitions

  1. Of or pertaining to time spans of less than a...

Ancestry of “subfemtosecond”, step by step

StepLanguageWordMeaning
1EnglishfemtosecondA unit of time equal to 0.000 000 000 000 001...
2EnglishsecondNumber-two; following after the first one with...
3Middle Frenchseconder
4Latinsecundodative masculine singular of secundus; dative...
5Latinsecundussecond, the ordinal number after prīmus and...
6LatinsequorI follow, come or go after
7Proto-Italicsekʷōrfollow, come/go after
8Proto-Indo-Europeansékʷetorto be following
9Proto-Indo-Europeansekʷ-to follow; to see; to say
Every word from Proto-Indo-European sekʷ-Every word from Proto-Indo-European sékʷetorEvery word from Proto-Italic sekʷōr