Wiktionary:Greek transliteration

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WT:EL TR

These are the rules concerning transliteration in Greek entries.

This table is intended as a guide for those unfamiliar with the Greek alphabet. There is another page covering Ancient Greek transliteration.

The transliteration of Greek letters into Roman characters is not intended to provide a phonetic representation of a word. The correct place for that is under the Pronunciation heading.

Equivalences have been sought amongst data produced by librarians and geographers, professional people who need to transliterate names: for use in library catalogues, in gazetteers and for the labelling of maps, places where a reproducible methodology is essential. Due to the nature of Greek spelling, transliteration is often irreversible.

ISO 843 (1997, TR) was obtained from values shown at Eesti Keele Instituut (pdf file), other sources are shown at the foot of this page.

Greek	Roman	Notes
α	a
ά	á
αι	ai
αί	aí
αϊ	aï
αΐ	aḯ
άι	ái
αυ	av	when αυ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
αυ	af	when αυ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
αύ	áv	when αύ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
αύ	áf	when αύ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
αϋ	aÿ
αΰ	aÿ́
άυ	áy
β	v
γ	g
γγ	ng
γκ	gk
γξ	nx
γχ	nch
δ	d
ε	e
έ	é
ει	ei
εί	eí
εϊ	eï
εΐ	eḯ
έι	éi
ευ	ev	when ευ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
ευ	ef	when ευ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
εύ	év	when εύ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
εύ	éf	when εύ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
εϋ	eÿ
εΰ	eÿ́
έυ	éy
ζ	z
η	i
ή	í
ήι	íi
ηυ	iv	when ηυ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
ηυ	if	when ηυ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
ηύ	ív	when ηύ is followed by: β,γ,δ,ζ,λ,μ,ν,ρ or a vowel
ηύ	íf	when ηύ is followed by: θ,κ,ξ,π,σ,ς,τ,φ,χ,ψ and at the end of a word
ηϋ	iÿ
ηΰ	iÿ́
ήυ	íy
θ	th
ι	i
ί	í
ϊ	ï
ΐ	ḯ
κ	k
λ	l
μ	m
μπ	b	at the beginning of a word
μπ	mp	medially and finally
ν	n
ντ	d	at the beginning of a word
ντ	nt	medially and finally (not d or nd)
ξ	x
ο	o
ό	ó
οι	oi
οί	oí
οϊ	oï
οΐ	oḯ
ου	ou
ού	oú
οϋ	oÿ
όυ	óy
π	p
ρ	r
σ	s
ς	s
τ	t
υ	y
ύ	ý
ϋ	ÿ
ΰ	ÿ́
υι	yi
φ	f
χ	ch
ψ	ps
ω	o
ώ	ó

The following sources show transliteration systems - some values differ and are not used on Wiktionary:

Working Group on Romanization Systems of United Nations group of experts on geographical names (UNGEGN).
PCGN The Permanent Committee on Geographical Names (for British official use).
American Library Association, Library of Congress