Where does “jasyapy” come from?

jasyapy (Paraguayan Guaraní) comes from Paraguayan Guaraní jasy, from Proto-Tupi-Guarani *jatʃɨ, from Proto-Tupian **watɨ — Moon.

Ancestry of “jasyapy”, step by step

jasyapy traces back through two separate lines of ancestry.

via Paraguayan Guaraní jasy

StepLanguageWordMeaning
1Paraguayan Guaraníjasy—
2Proto-Tupi-Guarani*jatʃɨMoon
3Proto-Tupian**watɨMoon

via Paraguayan Guaraní mbohapy

StepLanguageWordMeaning
1Paraguayan Guaranímbohapythree
2Proto-Tupi-Guarani*mot͡sapɨr—
Every word from Proto-Tupian **watɨ →Every word from Proto-Tupi-Guarani *jatʃɨ →Every word from Paraguayan Guaraní jasy →