what word means strong in Celtic?

There's no single word for "strong" that's universally used across all Celtic languages. Each language has its own specific word for "strong," and sometimes multiple words depending on the context.

Here are some examples:

Irish:

* Láidir: This is the most common word for "strong," used for both physical and metaphorical strength.

* Fórsa: This word means "force" and can also be used to convey the idea of strength.

* Cumhachtach: This means "powerful" and can be used to describe someone or something that is strong in a commanding sense.

Scottish Gaelic:

* Làidir: Similar to Irish, this is the most common word for "strong."

* Cumhachdach: This means "powerful" and is also used for strength.

* Fòrsa: This translates to "force" and conveys strength in a physical sense.

Welsh:

* Cryf: This is the most common word for "strong."

* Pwerus: This word means "powerful" and can be used to describe someone or something that is strong in a commanding sense.

Breton:

* Kreñv: This is the most common word for "strong."

* Galloudus: This word means "powerful."

Cornish:

* Kres: This is the word for "strong."

It's important to note that these are just a few examples, and there are many other words that can be used to express "strong" in Celtic languages. The specific word used will depend on the context and the specific language.