Where does “unnavigably” come from?

unnavigably (English) comes from English unnavigable, from English navigable, from Middle French navigable, from Latin navigabilis, from Latin nāvigō, from Latin nāvis, from Proto-Italic naus, from German hinaus — out, outward.

unnavigably (English): in an unnavigable manner

Definitions

  1. in an unnavigable manner

Ancestry of “unnavigably”, step by step

unnavigably traces back through two separate lines of ancestry.

via English unnavigable

StepLanguageWordMeaning
1Englishunnavigablenot navigable; impossible to sail through; that...
2EnglishnavigableCapable of being navigated; deep enough and wide...
3Middle Frenchnavigable
4Latinnavigabilisnavigable
5Latinnāvigōto sail, navigate, seafare, embark
6Latinnāvisship, boat, vessel; a fleet in the plural
7Proto-Italicnaus
8Germanhinausout
9Germanausout; over; finished; done; up; off
10Old High Germanūzout
11Proto-West Germanic*ūtout, outward
12Proto-Germanicūtout, outward
13Proto-Indo-Europeanúdout, outward

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European údEvery word from Proto-Germanic ūtEvery word from Proto-West Germanic *ūt