Where does “Geschwindigkeitsregelanlage” come from?

Geschwindigkeitsregelanlage (German) comes from German Geschwindigkeit, from German -igkeit, from German -ig, from German -jährig, from German Jahr, from Middle High German jār, from Old High German jār, from Proto-West Germanic jār — year.

Ancestry of “Geschwindigkeitsregelanlage”, step by step

Geschwindigkeitsregelanlage traces back through 3 separate lines of ancestry.

via German Geschwindigkeit

StepLanguageWordMeaning
1GermanGeschwindigkeitspeed, pace, tempo, velocity, rate
2German-igkeitforms nouns from adjectives
3German-ig-y; forms adjectives from nouns; forms adjectives...
4German-jährigyears old; years lasting
5GermanJahryear
6Middle High Germanjāryear
7Old High Germanjāryear
8Proto-West Germanicjāryear
9Proto-Germanicjērąyear; name of the J-rune
10Proto-Indo-Europeanyeh₁r-year

via German Anlage

StepLanguageWordMeaning
1GermanAnlagepublic green area, site, park, garden; plant,...
2Germananlegento create; to put on; to start a fight with
3Germananon; upon; at; in; against; by; near; close to;...
4Middle High Germanānewithout
5Old High Germanānawithout
6Proto-West Germanicanaon
7Proto-Germanic*an—
8Proto-Germanicanaon, at; on, onto; ana
9Proto-Indo-Europeanh₂en-on, onto

via German regeln

StepLanguageWordMeaning
1Germanregelnto regulate; to control
2Germanrēgelrule
3Middle High Germanregel—
4Old High Germanregula—
5Latinrēgularule, bar
6Latin-ularegō + API → rēgula; tegō + API → tēgula;...
7Proto-Indo-European-tlomAlternative form of *-trom
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...
Every word from Proto-Indo-European yeh₁r- →