Etymograph

English

half-cousin

From half- + cousin.

Formed from half- + cousin

Proto-Germanic *halbaz ‘half’

Proto-Germanic *halba-

English half-

Proto-Indo-European *swésōr ‘sister’

…

Latin sobrīnus ‘maternal cousin’

Latin cōnsobrīnus ‘maternal cousin; first cousin’

Old French cosin ‘kinsman’

Middle English cosin ‘kinsman; cousin’

English cousin

Today it means

noun The child of one's parent's half-sibling.

Language periods are conventional ranges, not dates for this word.

Etymograph / half-cousin