Where does “Octan” come from?

Octan (German) comes from English oct, from Proto-Slavic ocьtъ, from Gothic 𐌰𐌺𐌴𐌹𐍄, from Latin acētum, from French -ate, from Latin -ātus, from Proto-Italic -ātos, from Proto-Indo-European -éh₂tos — Forms adjectives from nouns, indicating the possession of a thing or a quality.

Octan (German): octane

Definitions

octane

Ancestry of “Octan”, step by step

Octan traces back through two separate lines of ancestry.

via English oct

Step	Language	Word	Meaning
1	English	oct	Abbreviation of octal
2	Proto-Slavic	ocьtъ	vinegar
3	Gothic	𐌰𐌺𐌴𐌹𐍄	vinegar
4	Latin	acētum	vinegar
5	French	-ate	ate
6	Latin	-ātus	ed
7	Proto-Italic	-ātos	—
8	Proto-Indo-European	-éh₂tos	Forms adjectives from nouns, indicating the possession of a thing or a quality

via German an

Step	Language	Word	Meaning
1	German	an	on; upon; at; in; against; by; near; close to;...
2	Middle High German	āne	without
3	Old High German	āna	without
4	Proto-West Germanic	ana	on
5	Proto-Germanic	*an	—
6	Proto-Germanic	ana	on, at; on, onto; ana
7	Proto-Indo-European	h₂en-	on, onto

Words derived from “Octan”

Every word from Proto-Indo-European -éh₂tos →Every word from Latin -ātus →Every word from French -ate →