Learn how to say Ethnical correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word ethnic:
1relating to a population subgroup (within a larger or dominant national or cultural group) with a common national or cultural tradition:
ethnic and cultural rights and traditions
leaders of ethnic communities
relating to national and cultural origins:
pupils from a wide variety of ethnic origins
denoting origin by birth or descent rather than by present nationality:
ethnic Indian populations
characteristic of or belonging to a non-Western cultural tradition:
folk and ethnic music
2 archaic neither Christian nor Jewish; pagan or heathen.
chiefly North American
a member of an ethnic minority.
late Middle English (denoting a person not of the Christian or Jewish faith): via ecclesiastical Latin from Greek ethnikos ‘heathen’, from ethnos ‘nation’. Current senses date from the 19th century