linebreeding

[ lahyn-bree-ding ]
/ ˈlaɪnˌbri dɪŋ /

noun Genetics.

a form of inbreeding directed toward keeping the offspring closely related to a superior ancestor.

Origin of linebreeding

An Americanism dating back to 1875–80; line1 + breeding
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019