Where does “obpyramidal” come from?

obpyramidal (English) comes from English ob, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός, from Ancient Greek ὀβελός, from Ancient Greek βέλος, from Proto-Indo-European gʷélHos, from Proto-Indo-European gʷelH- — to throw, reach, pierce; to hit by throwing.

obpyramidal (English): Pyramidal, but having the apex downward; inversely pyramidal

Definitions

  1. Pyramidal, but having the apex downward; inversely pyramidal

Ancestry of “obpyramidal”, step by step

obpyramidal traces back through two separate lines of ancestry.

via English ob

StepLanguageWordMeaning
1Englishoba halfpenny; an objection; the obese gene
2Latinob-towards; against
3Latinobolusobolus (Greek coin)
4Ancient Greekὀβολόςobol, obolus, used at Athens as both a weight and...
5Ancient Greekὀβελόςa spit, rod; a horizontal line
6Ancient Greekβέλοςmissile, arrow, dart; weapon; something quickly...
7Proto-Indo-EuropeangʷélHos
8Proto-Indo-EuropeangʷelH-to throw, reach, pierce; to hit by throwing

via English pyramidal

StepLanguageWordMeaning
1EnglishpyramidalPyramid-shaped; Tetragonal; One of the carpal...
2Latinpyramidalispyramidal
3Latinpȳramisa pyramid
4Ancient Greekπυραμίςpyramid; a type of cake
5Ancient Greek-ῐςa woman pertaining to —; "suffix forming feminine...
Every word from Proto-Indo-European gʷelH-
obpyramidal — Etymology, Origin & Word History | Etymology Explorer