ðə wˈɛlʃ plˈeɪsneɪm sˈɪlkeɪn, wˌɪtʃ hɐz ˈɔːlsoʊ ɪnðə pˈæst bˌɪn spˈɛld æz kɪlkˈɛn ænd sˈɪlsən, hˈæzbiːn sədʒˈɛstᵻd tə dᵻɹˈaɪv fɹʌm sˈɪl mˈiːnɪŋ ɹᵻtɹˈiːt ænd kˈeɪn mˈiːnɪŋ fˈɛɹ ɔːɹ plˈɛzənt ɪnðə wˈɛlʃ lˈæŋɡwɪdʒ.
The Welsh placename Cilcain, which has also in the past been spelled as Kilken and Cilcen, has been suggested to derive from cil meaning 'retreat' and cain meaning 'fair' or 'pleasant' in the Welsh language.