La instruistino klarigas la temon paŝo post paŝo.

Esperanto words are often built from smaller parts, and instruistino is a good example:

• instru- = teach / instruct
• -ist- = a person who professionally or regularly does something
• -in- = female
• -o = noun ending

So instruistino means female teacher.

This kind of word-building is very common in Esperanto, and once you know the parts, long words become much easier to understand.

Yes. The suffix -in- marks female gender, so instruistino is definitely a female teacher.

The basic form instruisto means teacher. In practice, that can be used when gender is not important, and sometimes for a male teacher depending on context. If you want to be explicitly female, instruistino is the clear choice.

The ending -as marks the present tense in Esperanto.

So:

• klarigas = explains / is explaining
• klarigis = explained
• klarigos = will explain

One nice thing about Esperanto is that the verb ending does not change depending on the subject. Whether it is mi, vi, li, ŝi, or ili, the present tense still ends in -as.

Because klarigas means makes clear or explains, while klaras means is clear.

A helpful pattern is:

• klara = clear
• klara → klarigi = to make clear, to explain
• klariĝi = to become clear

The middle part -ig- is a very important Esperanto suffix meaning cause to become or make.

So La instruistino klarigas la temon is literally something like The teacher makes the topic clear.

The -n marks the direct object.

Here, the thing being explained is la temo → la temon.

So:

• La instruistino = the teacher (subject, the one doing the action)
• klarigas = explains
• la temon = the topic (direct object, the thing being explained)

This -n ending is one of the most important features of Esperanto grammar.

Because both nouns are definite:

• la instruistino = the teacher
• la temon = the topic

Esperanto uses the same word, la, for the in all situations. It does not change for:

• gender
• number
• case

So even though temon has -n, the article still stays la.

Also, Esperanto normally has no separate word for a/an. If something is indefinite, you usually just leave out the article.

Literally, it means step after step.

In natural English, that is step by step.

This is a common Esperanto pattern:

• tagon post tago = day after day
• jaron post jaro = year after year
• paŝo post paŝo = step by step

So here it describes how the teacher explains the topic: gradually, in stages.

Because this part is not the direct object. It is an expression describing manner: step by step.

Also, post is already a preposition, and prepositions normally show the relationship by themselves, so an extra -n is usually not needed there.

In this expression, Esperanto uses the repeated pattern X post X:

• paŝo post paŝo
• tagon post tago
• jaron post jaro

So it is best learned as a common idiomatic structure.

Yes, to some extent. Esperanto word order is more flexible than English because endings like -n help show grammatical roles.

The given sentence is the most neutral and natural order:

• La instruistino klarigas la temon paŝo post paŝo.

But you could also say:

• Paŝo post paŝo la instruistino klarigas la temon.

That puts more emphasis on step by step.

Even though Esperanto allows flexibility, learners should usually start with the basic order:

subject + verb + object + other information

The letter ŝ is pronounced like English sh in shoe.

So:

• paŝo sounds roughly like PA-sho

Esperanto spelling is very regular, so each letter has one main sound. That makes pronunciation much more predictable than in English.

In Esperanto, the stress normally falls on the second-to-last syllable of each word.

So:

• instruistino → in-stru-is-TI-no
• klarigas → kla-RI-gas
• temon → TE-mon
• paŝo → PA-ŝo

This rule is extremely consistent, which makes pronunciation much easier to learn.