The a-rune , Younger Futhark

Younger Futhark

The Younger Futhark, also called Scandinavian runes, is a runic alphabet, a reduced form of the Elder Futhark, consisting of only 16 characters, in use from ca. 800 CE...

  was probably called *ansuz in Proto-Germanic

Proto-Germanic language

Proto-Germanic , or Common Germanic, as it is sometimes known, is the unattested, reconstructed proto-language of all the Germanic languages, such as modern English, Frisian, Dutch, Afrikaans, German, Luxembourgish, Danish, Norwegian, Icelandic, Faroese, and Swedish.The Proto-Germanic language is...

, to which the Norse name Æsir

Æsir

In Old Norse, áss is the term denoting a member of the principal pantheon in Norse paganism. This pantheon includes Odin, Frigg, Thor, Baldr and Tyr. The second pantheon comprises the Vanir...

 is attributed.

The shape of the rune is likely from Neo-Etruscan

Old Italic alphabet

Old Italic refers to several now extinct alphabet systems used on the Italian Peninsula in ancient times for various Indo-European languages and non-Indo-European languages...

 a (), like Latin A

A

A is the first letter and a vowel in the basic modern Latin alphabet. It is similar to the Ancient Greek letter Alpha, from which it derives.- Origins :...

 ultimately from Phoenician

Phoenician alphabet

The Phoenician alphabet, called by convention the Proto-Canaanite alphabet for inscriptions older than around 1050 BC, was a non-pictographic consonantal alphabet, or abjad. It was used for the writing of Phoenician, a Northern Semitic language, used by the civilization of Phoenicia...

 aleph

Aleph (letter)

' is the reconstructed name of the first letter of the Proto-Canaanite alphabet, continued in descended Semitic alphabets as Phoenician ' , Syriac ' , Hebrew Aleph , and Arabic ' ....

.

Its name survives only in the Iceland

Iceland

Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...

ic rune poem

Rune poem

The Rune Poems are three poems that list the letters of runic alphabets while providing an explanatory poetic stanza for each letter. Three different poems have been preserved: the Anglo-Saxon Rune Poem, the Norwegian Rune Poem, and the Icelandic Rune Poem.The Icelandic and Norwegian poems list 16...

 as óss, however, referring to Odin

Odin

Odin is a major god in Norse mythology and the ruler of Asgard. Homologous with the Anglo-Saxon "Wōden" and the Old High German "Wotan", the name is descended from Proto-Germanic "*Wodanaz" or "*Wōđanaz"....

, identified with Jupiter

Jupiter (mythology)

In ancient Roman religion and myth, Jupiter or Jove is the king of the gods, and the god of the sky and thunder. He is the equivalent of Zeus in the Greek pantheon....

:

Óss er algingautr

ok ásgarðs jöfurr,

ok valhallar vísi.

Jupiter oddviti.

Óss is aged Gautr

and prince of Ásgardr

and lord of Vallhalla.

chief Jupiter

The Norwegian rune poem, óss has a meaning of "estuary

Estuary

An estuary is a partly enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea....

" while in the Anglo-Saxon one, Futhorc ōs has the Latin meaning of "mouth". The Younger Futhark rune is transliterated as ą to distinguish it from the new ár rune (ᛅ), which continues the jēran rune after loss of prevocalic *j- in Proto-Norse *jár (Old Saxon jār).

Since the name of a is attested in the Gothic alphabet

Gothic alphabet

The Gothic alphabet is an alphabet for writing the Gothic language, created in the 4th century by Ulfilas for the purpose of translating the Christian Bible....

 as ahsa or aza, the common Germanic name of the rune may thus either have been *ansuz "god", or *ahsam "ear (of corn)".

A variant of the rune is Futhorc æsc "ash

Ash tree

Fraxinus is a genus flowering plants in the olive and lilac family, Oleaceae. It contains 45-65 species of usually medium to large trees, mostly deciduous though a few subtropical species are evergreen. The tree's common English name, ash, goes back to the Old English æsc, while the generic name...

". The Latin ligature æ

Æ

Æ is a grapheme formed from the letters a and e. Originally a ligature representing a Latin diphthong, it has been promoted to the full status of a letter in the alphabets of some languages, including Danish, Faroese, Norwegian and Icelandic...

 in Old English

Old English language

Old English or Anglo-Saxon is an early form of the English language that was spoken and written by the Anglo-Saxons and their descendants in parts of what are now England and southeastern Scotland between at least the mid-5th century and the mid-12th century...

 was called æsc after the rune. Another variant is ac "oak

Oak

An oak is a tree or shrub in the genus Quercus , of which about 600 species exist. "Oak" may also appear in the names of species in related genera, notably Lithocarpus...

" .