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Knotweed in Irish (Glúineach): Meaning, Pronunciation, Usage

The Irish for knotweed is glúineach, a feminine noun.
Updated October 2026Report a mistake

How to say “knotweed” in Irish

Irish:
glúineach
English:
knotweed
Word type:
noun
Gender:
feminine
Pronunciation:
“GLOO-nyukh”  /ˈɡl̪ˠuːnʲəx/
Various forms
Genitive singular:
glúiní, na glúiní (e.g. duilleoga na glúiní, the leaves of the knotweed)

What does “glúineach” mean?

knotweed
A wild plant of the persicaria or knotgrass family, with jointed stems and small pink or white flowers, often found as a weed.Also: persicaria, knotgrass, smartweed, redshank.

“Glúineach” with the article

Here is glúineach after the article (an t-alt).

an ghlúineach
the knotweed
Lenition: g becomes gh after an (feminine noun)

“Glúineach” in a sentence: Irish examples

Common Irish sentences using glúineach, the Irish word for knotweed.

Tá glúineach ag fás sa ghairdín.
There's knotweed growing in the garden.
Bhain mé an ghlúineach as an bpáirc.
I pulled the knotweed out of the field.
Is fiaile í an ghlúineach.
Knotweed is a weed.
Tá bláthanna bándearga ar an nglúineach.
The knotweed has pinkish flowers.
Tá dath dearg ar ghas na glúiní.
The knotweed's stem is red.
Fásann glúineach go tiubh i dtalamh fliuch.
Knotweed grows thickly in wet ground.
Chonaic mé glúineach in aice na habhann.
I saw knotweed beside the river.

Other nouns in Irish

More everyday Irish nouns to learn next.

Knotweed in Irish: frequently asked questions

What is the Irish for knotweed?

The Irish for knotweed is glúineach (pronounced “GLOO-nyukh”). It’s a feminine noun.

How do you pronounce glúineach in Irish?

Glúineach is said like “GLOO-nyukh” (IPA /ˈɡl̪ˠuːnʲəx/).

Does glúineach have a plural?

No plural form is given for glúineach in the standard. Many abstract and mass nouns in Irish have no plural.

Why does glúineach change to ghlúineach or nglúineach?

Irish changes the start of some words after certain words. After mo (my) glúineach becomes mo ghlúineach (lenition), and after ár (our) or i (in) it becomes ár nglúineach (eclipsis).

Is 'glúineach' connected to 'glúin'?

Yes, the plant is named from 'glúin' (knee) because its stems have swollen joints like little knees.

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