Where does “submarginally” come from?

submarginally (English) comes from English submarginal, from English marginal, from Latin marginālis, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

submarginally (English): In a submarginal manner; below a margin

Definitions

  1. In a submarginal manner; below a margin

Ancestry of “submarginally”, step by step

submarginally traces back through two separate lines of ancestry.

via English submarginal

StepLanguageWordMeaning
1EnglishsubmarginalLess than, or worse than, marginal. Not meeting...
2EnglishmarginalOf, relating to, or located at or near a margin...
3Latinmarginālismarginal
4Latin-ālis
5Proto-Italic-ālisforms relational adjectives

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Italic -ālisEvery word from Latin -ālisEvery word from Latin marginālis