Where does “optionally” come from?

Optionally derives from English optional, which combines English option from Latin optio (choice) and the Latin adjective-forming suffix -ivus, ultimately from Latin optāre (to choose).

optionally (English): In an optional manner. Not mandatorily

Definitions

  1. In an optional manner. Not mandatorily

Ancestry of “optionally”, step by step

StepLanguageWordMeaning
1EnglishoptionalNot compulsory; left to personal choice;...
2EnglishoptionOne of a set of choices that can be made; The...
3Frenchoptionoption
4Latinoptiōchoosing, choice, preference, option
5Latin-iō
6Proto-West Germanic-jōForms agent nouns from verbs
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she
Every word from Chichewa iye
optionally — Etymology, Origin & Word History | Etymology Explorer