Where does “nasua” come from?

nasua (New Latin) comes from Latin nāsus, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

Ancestry of “nasua”, step by step

StepLanguageWordMeaning
1LatinnāsusThe nose
2Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
3Proto-Indo-EuropeanDerives nouns from roots

Words derived from “nasua

Every word from Proto-Indo-European Every word from Latin Every word from Latin nāsus