Morpheme
Phthal(e) [Phthale, Phthal]
Type
bound base
Denotation
(1) naphthalene, white crystalline aromatic bicyclic hydrocarbon produced from coal tar; (2) phthalic acid, isomeric aromatic organic benzenedicarboxylic acid
Etymology
from naphthalic (<Naphth + -al + -ic>), from naphthalene (<Naphth + -al + -ene>)
Evidence
isophthalic, orthophthalic, phenolphthalein., phenolphthalin, phthalamide, phthalate, phthalein, phthalic, phthalimide, phthalimidyl, phthalyl, terephthalate, terephthalic
