Questions & Answers about La peniko estas sur la ŝtupetaro.
La is the Esperanto definite article, equivalent to English the. It is used here because the sentence is talking about a specific brush and a specific ladder.
So:
- la peniko = the brush
- la ŝtupetaro = the ladder
A common thing for English speakers to notice is that Esperanto has no indefinite article. So there is no separate word for a/an. Without la, the noun is just indefinite or less specifically identified by context.
In Esperanto, all nouns end in -o.
So:
- penik-o = brush
- ŝtupetar-o = ladder
This is one of the most regular features of Esperanto. If you see a word ending in -o, you can usually assume it is a noun.
Related endings that learners often compare:
- -o = noun
- -a = adjective
- -e = adverb
- -i = infinitive verb