What does "sikhism" mean?

the doctrines of a monotheistic religion founded in northern India in the 16th century by Guru Nanak and combining elements of Hinduism and Islam

Sikhism

Common synonyms include: belief system, community tradition, cultural history, denomination, development, devotional practice.

/ˈsiːkɪzm̩/ name

name ·Rare ·Advanced level

Noun

1
the doctrines of a monotheistic religion founded in northern India in the 16th century by Guru Nanak and combining elements of Hinduism and Islam wordnet

Proper Noun

1
A revealed, monotheistic religion originating in northern India, in the 15th century, through Guru Nanak and his successors.

"The turban is important in Sikhism."

From Sikh + -ism.