Where does “roofline” come from?

roofline (English) comes from English line, from Middle English line, from Old English līne, from Proto-West Germanic *līnā, from Proto-Germanic līnǭ, from Proto-Germanic līną, from Proto-Indo-European līno- — flax.

roofline (English): the profile made by a series of roofs

Definitions

  1. the profile made by a series of roofs

Ancestry of “roofline”, step by step

roofline traces back through two separate lines of ancestry.

via English line

StepLanguageWordMeaning
1EnglishlineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight
2Middle Englishlinerope, cord; line, rule, ruler, measure; rule,...
3Old Englishlīneline, rope, cord; line, cable, rope, hawser,...
4Proto-West Germanic*līnāline, chord, rope, string
5Proto-Germaniclīnǭthat which is made of flax; line, chord, rope,...
6Proto-Germaniclīnąflax
7Proto-Indo-Europeanlīno-flax

via English Roof

StepLanguageWordMeaning
1EnglishRoofA Chinese constellation located near Aquarius and Pegasus, one of the 28 lunar mansions and part of the larger Black Turtle
2Middle EnglishrofA roof; A house or building; a edifice used for...
3Old Englishhrōfroof, ceiling; top, summit; heaven, sky
4Proto-Germanichrōfąroof
5Proto-Indo-Europeankrāpo-
6Proto-Indo-Europeankrāwə-to cover, heap
Every word from Proto-Indo-European līno-
roofline — Etymology, Origin & Word History | Etymology Explorer