Where does “láncreakciók” come from?

láncreakciók (Hungarian) comes from Hungarian láncreakció, from Hungarian reakció, from Latin reactio, from Latin reago, from Latin rĕ-, from Latin prōdūcō, from Latin prō-, from Proto-Italic *pro- — passed , crossed.

Ancestry of “láncreakciók”, step by step

StepLanguageWordMeaning
1Hungarianláncreakcióchain reaction
2Hungarianreakcióreaction, response
3Latinreactioreaction
4LatinreagoI act upon again, I do again; I react
5Latinrĕ-back, backwards
6Latinprōdūcōto lead or bring forth, forward or out
7Latinprō-forward direction, forward movement
8Proto-Italic*pro-pro- see the Latin entry for further meanings
9Proto-Indo-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Latin rĕ-