Where does “underdosage” come from?

underdosage (English) comes from English dosage, from French dosage, from French dose, from Latin dosis, from Ancient Greek δόσις, from Ancient Greek δίδωμι, from Proto-Indo-European dédeh₃ti, from Proto-Indo-European deh₃- — to give.

underdosage (English): An insufficient dosage

Definitions

  1. An insufficient dosage

Ancestry of “underdosage”, step by step

underdosage traces back through two separate lines of ancestry.

via English dosage

StepLanguageWordMeaning
1EnglishdosageThe administration of a medication etc, in a...
2Frenchdosagedosage (measured amount of a medication)
3Frenchdoseproportion; dose; first-person singular present...
4Latindosisdose
5Ancient Greekδόσιςgiving, a gift; license, permission; portion
6Ancient GreekδίδωμιI give, present, offer; I grant, allow, permit;...
7Proto-Indo-Europeandédeh₃tito be giving
8Proto-Indo-Europeandeh₃-to give

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 deh₃-