Where does “ortangulo” come from?

ortangulo (Esperanto) comes from Esperanto orto, 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.

ortangulo (Esperanto): rectangle

Definitions

  1. rectangle

Ancestry of “ortangulo”, step by step

ortangulo traces back through two separate lines of ancestry.

via Esperanto orto

StepLanguageWordMeaning
1Esperantoortoright angle
2Ancient Greekὀρθόςstraight, upright, erect; straight forward, in a...
3Proto-Hellenicortʰwós
4Proto-Indo-Europeanh₃r̥dʰwós
5Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
6Proto-Indo-European-wósCreates adjectives from verb stems

via Esperanto angulo

StepLanguageWordMeaning
1Esperantoangulocorner; angle
2LatinAngulusA city of the Vestini, situated on a hill near the Adriatic Sea, now the town of Città Sant'Angelo
3Proto-Indo-Europeanh₂engulosjoint?
4Proto-Indo-Europeanh₂eng-curve, bend

Words derived from “ortangulo

Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European h₃erdʰ-Every word from Proto-Indo-European h₃r̥dʰwós