Where does “femtolensing” come from?

femtolensing (English) comes from English lensing, from English lens, from Latin lēns — lentil.

femtolensing (English): A form of gravitational lensing in which the...

Definitions

  1. A form of gravitational lensing in which the...

Ancestry of “femtolensing”, step by step

femtolensing traces back through two separate lines of ancestry.

via English lensing

StepLanguageWordMeaning
1Englishlensingpresent participle of lens; The focussing of...
2EnglishlensAn object, usually made of glass, that focuses or...
3Latinlēnslentil

via English femto

StepLanguageWordMeaning
1Englishfemto
Every word from Latin lēnsEvery word from English lensEvery word from English lensing