Where does “undirlag” come from?

undirlag (Icelandic) comes from Icelandic undir, from Old Norse undir, from Proto-Germanic under, from Proto-Indo-European h₁entér, from Proto-Indo-European h₁en — in; in, inside.

undirlag (Icelandic): base layer, foundation

Definitions

  1. base layer, foundation

Ancestry of “undirlag”, step by step

undirlag traces back through two separate lines of ancestry.

via Icelandic undir

StepLanguageWordMeaning
1Icelandicundirunder
2Old Norseundirunder, underneath
3Proto-Germanicunderamong, between; under, beneath; under
4Proto-Indo-Europeanh₁entérbetween
5Proto-Indo-Europeanh₁enin; in, inside

via Icelandic lag

StepLanguageWordMeaning
1Icelandiclaglayer; stratum; tune, song
2Old Norselága felled tree; log; lying tree
3Old Norseleggjato lay, place, put; to make, build
4Proto-Germaniclagjanąto lay, to place in a resting position
5Proto-Indo-Europeanlegʰ-to lie
Every word from Proto-Indo-European h₁en →Every word from Proto-Indo-European h₁entér →Every word from Proto-Germanic under →