Word Study
superjacent
CIDE DICTIONARY
superjacent, a. [L. superjacens, p. pr. of superjacere; super above + jacere to lie.].
Situated immediately above; as, superjacent rocks. [1913 Webster]
OXFORD DICTIONARY
superjacent, adj. overlying; superincumbent.
Etymology
L superjacere (as SUPER-, jacere lie)
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