Where does “Spannungsregler” come from?

Spannungsregler (German) comes from German Regler, from German regeln, from German rēgel, from Middle High German regel, from Old High German regula, from Latin rēgula, from Latin -ula, from Proto-Indo-European -tlom — Derives agent nouns from verbs, denoting someone...

Spannungsregler (German): voltage regulator, voltage controller

Definitions

  1. voltage regulator, voltage controller

Ancestry of “Spannungsregler”, step by step

Spannungsregler traces back through two separate lines of ancestry.

via German Regler

StepLanguageWordMeaning
1GermanRegler
2Germanregelnto regulate; to control
3Germanrēgelrule
4Middle High Germanregel
5Old High Germanregula
6Latinrēgularule, bar
7Latin-ularegō + API → rēgula; tegō + API → tēgula;...
8Proto-Indo-European-tlomAlternative form of *-trom
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via German Spannung

StepLanguageWordMeaning
1GermanSpannungvoltage; tension; suspense
2German-ung-ing; "forms nouns from verbs, usually describing...
3Middle High German-ung
4Old High German-unga-ing
5Proto-Germanic-ungō-ing, -ion. "Forms gerund nouns from verbs."
Every word from Proto-Indo-European -tḗr