The Days of the Week as Gaeilge

Naming the Day

Taken from an unnamed schoolbook

Naming the Day

An Domhnach (Dé Domhnaigh) – Sunday

The word ‘Domhnach’ comes from the Latin word ‘Dominus’ which means ‘Lord’, so Dé Domhnaigh’ means ‘The Lord’s Day’. The name ‘Sunday’ comes from an Old English word which means ‘the day of the sun’.

An Luan (Dé Luain) – Monday

These names mean almost the same thing ‘Luan’ means ‘light’ or ‘moon’ so that ‘Dé Luain’ means ‘the day of the moon’. The word ‘Monday’ comes from an old English word which also means ‘the day of the moon’.

An Mháirt (Dé Máirt) – Tuesday

These names come from the names of gods of war. Mars was a Roman war god and ‘Dé Máirt’ means the day of ‘Mars’. Tiw was an old German war god and so ‘Tuesday’ means  ‘the day of Tiw’.

An Chéadaoin (Dé Céadaoin) – Wednesday

The Irish word ‘aoin’ means ‘fast’, so ‘Dé Céadaoin’ means ‘the day of the first fast’, this day being the first fast day of the week. The word ‘Wednesday’ comes from the name of a German god, Woden, ‘Woden’s day’.

An Déardaoin (Déardaoin) – Thursday

This is ‘dé idir dhá aoin’ or ‘the day between two fasts’. In English is ‘the day of Thor’, the German god of thunder.

An Aoine (Dé hAoine) – Friday

This is the second fast day. Dé hAoine’ means ‘day of fasting’. The English name comes from the name of a goddess, Woden’s wife, Frig.

An Satharn (Dé Sathairn) – Saturday

This is ‘Saturn’s day’. Saturn was the Roman god of agriculture.


This page was added on 03/10/2021.

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