# fios
## Irish
### Etymology

From Middle Irish fis, from Old Irish fius, from Proto-Celtic *wissus, from Proto-Indo-European *wéydtus, which is derived from *weyd- (“know, see”).

### Pronunciation

* (Munster, Ulster) IPA: /fʲɨ̞sˠ/
* (Connacht) IPA: /fʲɪsˠ/

### Noun

fios m (genitive singular feasa)
* knowledge, information
    Synonyms: eolas, tuiscint
    cá bhfios duit? ― how do you know?
    ar feadh a bhfuil dá fhios againn ― for all we know
    ag Dia atá a fhios ― God only knows
    fios ciontach ― guilty knowledge
    Eochair feasa foghlaim. (proverb) ― Learning is the key to knowledge.
* carnal knowledge
* occult knowledge
    fios a dhéanamh do dhuine ― to tell someone his fortune

#### Declension

bare forms
case
singular
nominative
fios
vocative
a fhios
genitive
feasa
dative
fios
forms with the definite article
case
singular
nominative
an fios
genitive
an fheasa
dative
leis an bhfios don fhios :

#### Derived terms

* a fhios a bheith agat (“to know”)
* ainbhiosach (“ignorant; stupid”)
* bean feasa f (“fortune-teller”)
* cailleach feasa f (“fortune-teller”)
* déad feasa (“tooth of knowledge”)
* fear feasa m (“seer, soothsayer”)
* feasach (“knowledgeable”, adjective)
* fios collaí (“carnal knowledge”)
* fiosaigh (“know”, verb)
* fiosúil (“knowledgeable”, adjective)
* foras feasa (“basic information”)
* fuarán feasa (“fount of knowledge”)
* gan fhios (“unbeknownst”)
* go bhfios dom (“as far as I know”)
* i bhfios (“wittingly”)
* lucht feasa (“soothsayers”)
* uilefhios m (“omniscience”)

### Mutation

Note: Certain mutated forms of some words can never occur in standard Modern Irish. All possible mutated forms are displayed for convenience.

### References

* ↑ Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “fis, fius”, in eDIL: Electronic Dictionary of the Irish Language
* ↑ Sjoestedt, M. L. (1931) Phonétique d’un parler irlandais de Kerry [Phonetics of an Irish Dialect of Kerry] (in French), Paris: Librairie Ernest Leroux, page 30
* ↑ Finck, F. N. (1899) Die araner mundart [The Aran Dialect] (in German), volume II, Marburg: Elwert’sche Verlagsbuchhandlung, page 111

### Further reading

* Dinneen, Patrick S. (1904) “fios”, in Foclóir Gaeḋilge agus Béarla, 1st edition, Dublin: Irish Texts Society, page 317
* Ó Dónaill, Niall (1977) “fios”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN

## Portuguese
### Noun

fios
* plural of fio

## Scottish Gaelic
### Alternative forms

* fhios

### Etymology

From Middle Irish fis, from Old Irish fius, from Proto-Celtic *wissus, from Proto-Indo-European *wéydtus, which is derived from *weyd- (“know, see”).

### Pronunciation

* ADH: /fĭs/
* IPA: /fis̪/

### Noun

fios m (genitive singular fiosa, plural fiosan)
* knowledge
    Synonym: aithne
    Chan eil fios agam. ― I don't know. (literally, “Knowledge is not at me.”)
* indication, information, message, notice, notification, news

#### Derived terms

* ainfhios (“ignorance”)
* bi fhios aig (“know”)
* fiosaiche (“soothsayer; fortune teller”)
* fiosrach (“(well-)informed; knowledgeable”)
* fiosrachadh (“information”)
* mì-fhios (“misinformation”)

### Mutation

Note: Certain mutated forms of some words can never occur in standard Scottish Gaelic. All possible mutated forms are displayed for convenience.

### References

* Edward Dwelly (1911) “fios”, in Faclair Gàidhlig gu Beurla le Dealbhan [The Illustrated Gaelic–English Dictionary]‎, 10th edition, Edinburgh: Birlinn Limited, →ISBN
* Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “fis, fius”, in eDIL: Electronic Dictionary of the Irish Language