Where does “ostocerbo” come from?

ostocerbo (Esperanto) comes from Esperanto cerbo, from French cerveau, from Middle French cerveau, from Old French cervel, from Latin cerebellum, from Latin cerebrum, from Proto-Italic kerazrom, from Proto-Indo-European ḱerh₂-s-ro — head, top; horn.

ostocerbo (Esperanto): marrow

Definitions

  1. marrow

Ancestry of “ostocerbo”, step by step

ostocerbo traces back through two separate lines of ancestry.

via Esperanto cerbo

StepLanguageWordMeaning
1Esperantocerbobrain
2Frenchcerveaubrain
3Middle Frenchcerveaubrain
4Old Frenchcervelbrain
5Latincerebellumbrain, little brain; seat of senses, intellect
6Latincerebrumbrain; skull
7Proto-Italickerazrombrain
8Proto-Indo-Europeanḱerh₂-s-ro
9Proto-Indo-Europeanḱerh₂-head, top; horn

via Esperanto osto

StepLanguageWordMeaning
1Esperantoostobone
2Ancient Greekὀστέονbone; bones of the earth = rock; stone of fruit
3Ancient Greekκλάσιςbreaking, fracture; bending of the knee joint,...
4Ancient Greek-σῐς"suffix forming nouns"
5Ancient Greek-τιςretained after dentals
6Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European ḱerh₂-Every word from Proto-Indo-European ḱerh₂-s-roEvery word from Proto-Italic kerazrom