Etymology Explorer › English

Where does “radioactively” come from?

radioactively (English) comes from English radioactive, from French radioactif, from French actif, from Old French actif, from Latin āctīvus, from Ancient Greek ἐνεργητικός, from Ancient Greek ἐνεργέω, from Ancient Greek ἐνεργός — Creates collective nouns, which refer to groups...

radioactively (English): Using a radioactive substance; Concerning...

Definitions

  1. Using a radioactive substance; Concerning...

Ancestry of “radioactively”, step by step

StepLanguageWordMeaning
1EnglishradioactiveExhibiting radioactivity; Dangerous and...
2Frenchradioactifradioactive
3Frenchactifactive; asset; top
4Old Frenchactifactive
5Latināctīvus—
6Ancient GreekἐνεργητικόςAble to act on; acting on; Active; In the active...
7Ancient Greekἐνεργέωto be in action or activity, to operate; to...
8Ancient Greekἐνεργόςat work, active
9Ancient Greekἐν-in, within; on
10Ancient Greekἐνin, on, at; among; in, at, or during the time of
11Ancient Greekδέρμαskin, hide
12Ancient Greekγλυφήcarving, carved work; hole cut
13Ancient Greek-ῐ́ᾱ{{l|en|-ia}}; "suffix forming abstract feminine...
14Proto-Indo-European-íh₂—
15Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European -h₂ →