Where does “rectilineally” come from?

rectilineally (English) comes from English rectilineal, from English lineal, from Old French lineal, from Latin līneālis, from Latin līnea, from Latin līnum, from Proto-Italic līnom, from Proto-Indo-European līnom — flax.

rectilineally (English): In a rectilineal fashion

Definitions

  1. In a rectilineal fashion

Ancestry of “rectilineally”, step by step

rectilineally traces back through two separate lines of ancestry.

via English rectilineal

StepLanguageWordMeaning
1EnglishrectilinealAlternative form of rectilinear
2EnglishlinealOf a family relationship that includes mothers,...
3Old Frenchlineal
4Latinlīneālisconsisting of lines, linear, lineal
5LatinlīneaA linen thread
6Latinlīnumflax
7Proto-Italiclīnom
8Proto-Indo-Europeanlīnomflax

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European līnom