Našel jsem semínko.

Both are possible, but Našel jsem semínko is a very normal Czech word order.

A few useful points:

• našel = the main past-tense form
• jsem = the auxiliary am/have-type element used in the Czech past tense
• In neutral sentences, the auxiliary jsem often comes in the second position of the clause.

So Czech prefers something like:

• Našel jsem semínko.

But you can also hear:

• Já jsem našel semínko.
• Semínko jsem našel. — with different emphasis

Czech word order is more flexible than English, and it often changes the focus rather than the basic meaning.

The dictionary form is najít.

This is a perfective verb, meaning to find in the sense of successfully locating something.

Here is the connection:

• najít = to find
• našel = found (masculine singular past form)

So našel jsem means I found.

In the Czech past tense, the main verb often uses an -l form.

For najít, the past forms are built like this:

• našel jsem = I found, said by a man
• našla jsem = I found, said by a woman
• našlo = it found
• našli jsme = we found (masculine animate or mixed group)
• našly jsme = we found (all-female group, less commonly discussed in beginner materials)

So the -l is part of the past-tense formation, and the exact ending changes according to gender and number.

Yes. It tells you the speaker is male.

In Czech past tense, the verb agrees with the speaker’s gender in the singular:

• Našel jsem semínko. = said by a man
• Našla jsem semínko. = said by a woman

This is something English does not do, so it often stands out to English-speaking learners.

Because Czech often drops subject pronouns when they are already clear from the verb form.

In Našel jsem semínko:

• jsem tells you it is I
• našel tells you it is a male speaker

So já is unnecessary unless you want emphasis or contrast.

Compare:

• Našel jsem semínko. = neutral, natural
• Já jsem našel semínko. = I found a seed, maybe contrasting with someone else

Because semínko is the singular accusative form here, and it is the direct object of the verb find.

You are asking found what?
Answer: semínko

The noun semínko is neuter, and for many neuter nouns in -o, the nominative singular and accusative singular are the same:

• nominative: semínko
• accusative: semínko

So the form does not change here.

It is neuter.

You can often recognize neuter nouns by endings like:

• -o
• -e
• -í

Since semínko ends in -o, it is a good example of a neuter noun.

Historically, it is related to a diminutive form, but in everyday Czech semínko is a very common normal word for seed, especially a small plant seed.

A useful practical way to think about it:

• semínko = the usual everyday word for a seed
• semeno also exists, but it can sound more technical, biological, or context-dependent

So in a simple sentence like this, semínko is completely natural.

Because Czech has no articles.

So semínko can mean:

• a seed
• the seed
• sometimes even one seed

The exact interpretation depends on the context.

That means Našel jsem semínko could be understood in English as either:

• I found a seed
• I found the seed

depending on the situation.

This is the normal Czech past tense.

It is formed with:

• a past participle-like form: našel
• the auxiliary: jsem

So:

• našel jsem = I found

This is the standard way Czech expresses past events in everyday speech.

This is an important verb distinction:

• hledat = to look for, to search
• najít = to find

So:

• Hledal jsem semínko. = I was looking for a seed.
• Našel jsem semínko. = I found a seed.

In other words:

• hledat describes the search
• najít describes the successful result

A simple learner-friendly pronunciation guide would be:

NA-shel jsem se-MEEN-ko

A few details:

• Czech stress is usually on the first syllable of each word:
  • NAšel
  • SEmínko
• š sounds like sh in ship
• í is a long ee sound
• In natural speech, semínko is often pronounced roughly like se-MEEN-ko, and the n before k may sound a bit like ng

So a rough English approximation is:

NA-shel ysem se-MEEN-ko

Yes. Czech word order is flexible, and changing it usually changes emphasis, not the core meaning.

For example:

• Našel jsem semínko. = neutral
• Semínko jsem našel. = emphasizes the seed
• Já jsem našel semínko. = emphasizes I
• Našel jsem semínko já. = strongly contrastive, like I was the one who found the seed

So learners should not expect one rigid English-style word order.

Yes, depending on context, English may translate it either way.

Czech past tense does not match English tense choices exactly.
Našel jsem semínko can correspond to:

• I found a seed
• I have found a seed

In most beginner situations, I found a seed is the safest translation, but context may make the present relevance stronger, which English often expresses with have found.