recessive (adj.)

1670s, "tending to recede, going backward," from Latin recess-, past-participle stem of recedere "to go back, fall back" (see recede) + -ive. Linguistics sense in ancient Greek grammar is from 1879; in genetics, of a hereditary trait present but not perceptibly expressed in the individual organism, 1900, from German recessiv (Mendel, 1865). Related: Recessively; recessiveness.

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Definitions of recessive from WordNet
recessive (adj.)
of or pertaining to a recession;
Synonyms: recessionary
recessive (adj.)
(of genes) producing its characteristic phenotype only when its allele is identical;
recessive (n.)
an allele that produces its characteristic phenotype only when its paired allele is identical;
Synonyms: recessive allele