What is the meaning of Ers?

ISO 639-3 language code for Ersu.

third-person singular simple present indicative of er

plural of er

plural of er

bitter vetch, ervil (Vicia ervilia)

Lens ervoides

alternative spelling of er's

pronunciation spelling of erst

alternative form of ars

arse, buttocks

your (only in address); a contraction of the archaic eders, being a genitive form of er

since

for (a period of time)

since

Source: wiktionary.org