Where does “completely” come from?

Completely derives from Middle English -ly added to complete, which comes from Latin completus, the past participle of complere meaning to fill up or finish.

completely (English): In a complete manner; To the fullest extent or...

Definitions

  1. In a complete manner; To the fullest extent or...

Ancestry of “completely”, step by step

StepLanguageWordMeaning
1EnglishcompleteTo finish; to make done; to reach the end; To...
2Middle EnglishcompleetComplete, whole, full, or entire; Perfect,...
3Old Frenchcomplet
4Latincomplētuscompleted
5Latincompleōto fill up, fill full, fill out; make up, complete
6Latincōn-Used in compounds to indicate a being or bringing together of several objects
7Latincumwith, along with; at; -fold
8Old LatincomAlternative form of cum
9Proto-Italickomwith, along, at
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Germankittputty certain kinds of cement used for fixing e.g. window panes
14Old High Germankuti
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak
18Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...
Every word from Proto-Indo-European gū-