quercine
/ˈkwəːsʌɪn/ /ˈkwəːsɪn/adjective
Of, relating to, or resembling oak or oak trees; consisting of oaks. Formerly also: †made of oak, oaken (obsolete ).
Origin
Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From post-classical Latin quercinus oaken, made of oak from classical Latin quercus oak + -inus. Compare earlier quernal.