Where does “dianhydride” come from?

dianhydride (English) comes from English anhydride, from English an-, from Ancient Greek ἀν-, from Ancient Greek ὀρθός, from Proto-Hellenic ortʰwós, from Proto-Indo-European h₃r̥dʰwós, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

dianhydride (English): Any compound containing two anhydride groups; Any...

Definitions

  1. Any compound containing two anhydride groups; Any...

Ancestry of “dianhydride”, step by step

StepLanguageWordMeaning
1Englishanhydrideany compound formally derived from another by...
2Englishan-Alternative form of on-; not; used to make words...
3Ancient Greekἀν-Alternative form of ἀ- used before a vowel;...
4Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
5Proto-Hellenicortʰwós
6Proto-Indo-Europeanh₃r̥dʰwós
7Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
8Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European h₃erdʰ-Every word from Ancient Greek ἀν-