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Embryo in Irish (Suth): Meaning, Pronunciation, Usage

‘suth’ also means: offspring

The Irish for embryo is suth, a masculine noun (plural suthanna).
Updated October 2026Report a mistake

How to say “embryo” in Irish

Irish:
suth
English:
embryo, offspring
Word type:
noun
Gender:
masculine, third declension
Pronunciation:
“suh”  /sˠʊ/
Various forms
Plural:
suthanna (embryos)
Genitive singular:
sutha, an tsutha (e.g. forbairt an tsutha, development of the embryo)
Genitive plural:
suthanna, na suthanna (e.g. taighde ar shuthanna, research on embryos)

What does “suth” mean?

“Suth” has two alternative meanings. The most common comes first.

embryo
An unborn animal or plant in its earliest stage of development.Also: foetus, fetus.
1 other meaning: offspring
2offspring
Offspring or progeny; something produced or born (literary).Also: progeny, fruit.

“Suth” with the article

The plural of embryo in Irish is suthanna. Here is suth after the article (an t-alt), in the singular and the plural.

an suth
the embryo
No change after an
na suthanna
the embryos
Plural: no change after na

“Suth” in a sentence: Irish examples

Common Irish sentences using suth, the Irish word for embryo.

Is éard is suth ann ná ainmhí an-óg sa bhroinn.
An embryo is a very young animal in the womb.
Tá an suth ag fás go maith.
The embryo is growing well.
Chonaic an dochtúir croí an tsutha ag bualadh.
The doctor saw the embryo's heart beating.
Rinne na heolaithe staidéar ar shuthanna éisc.
The scientists studied fish embryos.
Bíonn an suth sa síol i bplanda.
The embryo is in the seed in a plant.
Tá cosaint na suthanna ina ceist mhór dlí.
Protecting embryos is a big legal question.
Foghlaimímid faoin suth sa rang bitheolaíochta.
We learn about the embryo in biology class.

Other nouns in Irish

More everyday Irish nouns to learn next.

Embryo in Irish: frequently asked questions

What is the Irish for embryo?

The Irish for embryo is suth (pronounced “suh”). It’s a masculine noun and the plural is suthanna. Depending on context it can also mean offspring.

How do you pronounce suth in Irish?

Suth is said like “suh” (IPA /sˠʊ/).

What is the plural of embryo in Irish?

The plural of suth is suthanna; with the article, na suthanna means “the embryos”. The genitive plural is suthanna, as in taighde ar shuthanna (research on embryos).

Does suth have more than one meaning?

Yes. Suth can mean embryo or offspring, depending on context; the first is the most common.

Why does suth change to shuth?

After words like mo (my) and do (your) the first letter is lenited: mo shuth. After ár (our) it stays ár suth, because s does not take eclipsis.

What is the difference between 'suth' and 'féatas'?

'Suth' is the embryo in its earliest stage, while 'féatas' is the later foetus. In older literary Irish 'suth' could also mean offspring.

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