UNDERLIE
underlie
(verb) be or form the base for
underlie
(verb) lie underneath
Source: WordNet® 3.1
Etymology
Verb
underlie (third-person singular simple present underlies, present participle underlying, simple past underlay, past participle underlain)
(intransitive) To lie in a position directly beneath.
(transitive) To lie under or beneath.
(transitive) To serve as a basis of; form the foundation of.
(transitive) To be subject to; be liable to answer, as a charge or challenge.
(mining) To underlay.
Source: Wiktionary
Un`der*lie", v. t. Etym: [AS. underlicgan. See Under, and Lie to be
prostrate.]
1. To lie under; to rest beneath; to be situated under; as, a stratum
of clay underlies the surface gravel.
2. To be at the basis of; to form the foundation of; to support; as,
a doctrine underlying a theory.
3. To be subject or amenable to. [R.]
The knight of Ivanhoe . . . underlies the challenge of Brian der Bois
Guilbert. Sir W. Scott.
Un`der*lie", v. i.
Definition: To lie below or under.
Un"der*lie`, n.
Definition: See Underlay, n., 1.
Source: Webster’s Unabridged Dictionary 1913 Edition