La raíz puede pudrirse.

Because raíz is a feminine noun in Spanish, so it takes la in the singular: la raíz.

This is something learners often have to memorize, because noun gender does not always match the ending. Even though raíz ends in a consonant, it is still feminine.

In Spanish, singular countable nouns usually need an article or some other determiner. So la raíz sounds natural, while raíz by itself would usually sound incomplete.

Spanish uses articles more often than English in many cases, so la raíz is the normal choice here.

Puede is the third-person singular present indicative of poder.

It matches the subject la raíz, which is singular:

• yo puedo
• tú puedes
• él / ella / usted puede

So here, la raíz puede... = the root can / may...

It can express possibility or ability, depending on context.

In this sentence, it most naturally means possibility:

• La raíz puede pudrirse = The root can rot / may rot / might rot

English uses several options, but Spanish often just uses poder for this kind of idea.

Because in Spanish, pudrirse is the usual way to say that something rots or becomes rotten by itself.

• pudrir is often used transitively: to rot something, to cause something to rot
• pudrirse is often used intransitively/pronominally: to rot, to go rotten

So here, la raíz puede pudrirse means the root can rot. It does not mean the root is actively doing something to another object.

Not literally. Here, se is part of the pronominal verb pudrirse.

So although it looks reflexive, you should not understand it as the root rots itself. A more natural way to think of it is simply:

• pudrirse = to rot / to become rotten

This is very common in Spanish: some verbs use se even when English would not use a reflexive form.

Yes. That is also correct.

With a conjugated verb plus an infinitive, the pronoun can often go in either place:

• La raíz puede pudrirse
• La raíz se puede pudrir

Both are natural and mean the same thing. Spanish allows this kind of placement with pronouns when there is a modal verb like poder.

No. This is not a passive se construction.

Here, se belongs to the verb pudrirse. It is part of the verb itself, not a marker of passive meaning.

So this is different from sentences like:

• Se venden libros = Books are sold

In La raíz puede pudrirse, the meaning is simply that the root can rot.

In standard Spain Spanish, raíz is pronounced roughly ra-EETH.

A few important points:

• The stress is on the í
• The word is split into two syllables: ra-íz
• In much of Spain, z sounds like the th in thin

So the final sound is not an English z.

The accent mark shows that the stress falls on í: ra-ÍZ.

It also tells you that a and í are pronounced in separate syllables, rather than merging into one diphthong. So you say:

• ra-íz

not something like a single-syllable raiz.

In Spain Spanish, it is roughly poo-DREER-seh.

Break it into syllables like this:

• pu-drir-se

The stress falls on drir.

A few pronunciation notes:

• u is like oo in food
• r in drir is a single tapped Spanish r, not an English r
• se sounds like seh

Because that means something slightly different.

• La raíz puede pudrirse = the root can rot / may become rotten
• La raíz está podrida = the root is rotten

So pudrirse focuses on the process or possibility of becoming rotten, while estar podrida describes the resulting state.

It can be understood as a general present statement about possibility.

Spanish often uses the present tense for general truths or general possibilities, just like English does. So this sentence does not have to mean the root is rotting right now. It can simply mean that rotting is a possible outcome.