Where does “undermark” come from?

undermark (English) comes from English Mark, from German mark, from Latin Mārcus, from Latin Martīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

undermark (English): To place a mark or marking underneath

Definitions

  1. To place a mark or marking underneath

Ancestry of “undermark”, step by step

undermark traces back through two separate lines of ancestry.

via English Mark

StepLanguageWordMeaning
1EnglishMarkAbbreviation of Markarian
2Germanmarkmark any of various European monetary units
3LatinMārcus
4LatinMartīnus
5Latin-īnusof or pertaining to; -ine
6Proto-Italic-īnosof/belonging to
7Proto-Indo-European-iHnosCreates adjectives of materials
8Proto-Indo-European-no-adjectival suffix

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European -no-
undermark — Etymology, Origin & Word History | Etymology Explorer