Where does “rheostatically” come from?

rheostatically (English) comes from English ally, from Middle English allie, from Middle English allien, from Old French alier, from Latin alligō, from Latin ad-, from Latin īn-, from Latin în — in.

rheostatically (English): By means of a rheostat or of rheostasis

Definitions

  1. By means of a rheostat or of rheostasis

Ancestry of “rheostatically”, step by step

rheostatically traces back through two separate lines of ancestry.

via English ally

StepLanguageWordMeaning
1EnglishallyTo unite, or form a connection between, as...
2Middle EnglishallieThe state of having marital or family relations...
3Middle EnglishallienTo ally; to make a pact or confederacy; To marry...
4Old Frenchalierto unite; to join together
5Latinalligōto bind to, up or around something, tie, fetter, fasten; bandage
6Latinad-to; usually prefixed to verbs, in which cases it...
7Latinīn-un-, non-, not
8Latinînin, at, on, upon, from (space)
9Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
10Proto-Italicenin
11Proto-Indo-Europeanh₁énin

via English rheostatic

StepLanguageWordMeaning
1Englishrheostaticregulated using a rheostat; Of or pertaining to...
2EnglishrheostatAn electrical resistor, with two terminals, whose...
3English-statforming nouns naming scientific instruments that...
4Ancient Greekστατόςstanding”, “stationary; placed, standing;...
5Ancient Greekἵστημιto make to stand, to stand, set; to stop, stay,...
6Proto-Hellenichístāmito stand
7Proto-Indo-Europeanstísteh₂tito be standing up, to be getting up
8Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-