Where does “truistically” come from?

truistically (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.

truistically (English): In a truistic manner; as, or by, a truism

Definitions

  1. In a truistic manner; as, or by, a truism

Ancestry of “truistically”, step by step

truistically 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 truistic

StepLanguageWordMeaning
1EnglishtruisticOf or pertaining to truism
2Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European h₁én
truistically — Etymology, Origin & Word History | Etymology Explorer