The Collaborative International Dictionary
Hereditable
Hereditable \He*red"i*ta*ble\, a. [LL. hereditabilis, fr. hereditare to inherit, fr. L. hereditas heirship inheritance, heres heir: cf. OF. hereditable. See Heir, and cf. Heritable.]
Capable of being inherited. See Inheritable.
--Locke.Qualified to inherit; capable of inheriting.
Douglas Harper's Etymology Dictionary
hereditable
mid-15c.; see heredity + -able. Related: Hereditability.
Wiktionary
hereditable
a. Capable of being passed on to children.