Tellus sub pedibus nostris est.

Tellus means the earth, the ground, or the land. In this sentence it means the earth/ground beneath us.

A learner might expect terra, because that is also a very common Latin word for earth or land. The difference is mostly one of style and nuance:

• terra is the more ordinary everyday word
• tellus is often a bit more elevated, literary, or poetic

So the sentence could feel slightly more formal or poetic than one with terra.

Tellus is in the nominative singular.

It is nominative because it is the subject of est. In other words, tellus is the thing being described as under our feet.

So the basic structure is:

• tellus = the subject
• est = is
• sub pedibus nostris = under our feet

Because sub can take either the ablative or the accusative, depending on the meaning.

Here it takes the ablative because it expresses location: the earth is under our feet.

A useful rule is:

• sub + ablative = under, in the sense of where?
• sub + accusative = to under or under, in the sense of motion toward, where to?

So:

• sub pedibus nostris est = it is under our feet
• if there were movement toward a position under something, Latin could use sub with the accusative instead

Because Latin is saying under our feet, plural, just like English normally does.

Pedibus is the ablative plural of pes, meaning foot.

Its forms include:

• nominative singular: pes
• genitive singular: pedis
• ablative plural: pedibus

Since a preposition is being used here and the idea is plural, pedibus is exactly what we expect.

Because nostris is an adjective modifying pedibus, and Latin adjectives must agree with the nouns they describe.

So pedibus nostris means our feet, and both words are:

• ablative
• plural

Agreement is one of the most important habits to build in Latin. If the noun is ablative plural, the adjective describing it must also be ablative plural.

Here nostris is functioning as a possessive adjective, meaning our.

It describes pedibus:

• pedibus = feet
• nostris = our

So together they mean our feet.

Latin often uses possessive adjectives like:

• meus = my
• tuus = your
• noster = our
• vester = your, plural

Here the dictionary form is noster, nostra, nostrum, and nostris is the ablative plural form that agrees with pedibus.

Because Latin word order is much freer than English word order.

Placing est at the end is very normal in Latin. In fact, Latin often likes to put the verb late in the sentence. So Tellus sub pedibus nostris est is perfectly natural.

English depends heavily on word order for meaning, but Latin depends much more on case endings. That means Latin can move words around for:

• emphasis
• rhythm
• style
• contrast

So this sentence could also appear in other orders, such as:

• Sub pedibus nostris tellus est
• Tellus est sub pedibus nostris

The meaning would remain basically the same.

Yes, especially in poetry or in a very compressed style.

Latin sometimes omits forms of esse when the meaning is obvious. So a poet might write something like Tellus sub pedibus nostris and expect the reader to understand is.

But in straightforward prose, including est is completely normal and clear.

Starting with tellus gives that word emphasis. Latin often puts an important word early in the sentence.

So beginning with Tellus can make the sentence feel like it is first establishing the subject:

• The earth is under our feet

If the sentence began with sub pedibus nostris, the focus would shift more toward the location:

• Under our feet is the earth

Both are possible, but the chosen order gives the subject a strong opening position.

It is singular here.

A learner may notice that tellus is a third-declension noun, but it has a somewhat distinctive form because the nominative singular ends in -us, which can look like a second-declension masculine noun at first glance. However, tellus is actually feminine.

So this is a useful reminder that you cannot identify a noun’s declension or gender from the nominative ending alone.

For this sentence, the key point is simply:

• tellus = nominative singular subject
• feminine noun meaning earth/ground

The structure is:

• Tellus = subject
• sub pedibus nostris = prepositional phrase showing location
• est = verb

So the sentence is essentially:

• The earth
  • under our feet
    • is

A very literal rearrangement into standard English order would be:

• The earth is under our feet

This is a good example of how Latin often uses endings rather than fixed word order to show who is doing what.