crystallographic

Etymology tree
English crystal
Proto-Indo-European *gerbʰ-
Proto-Hellenic *grə́pʰō
Ancient Greek γρᾰ́φω (grắphō)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek γραφή (graphḗ)
Ancient Greek -γραφίᾱ (-graphíā)bor.
French -graphieder.
English -ography
English crystallography
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English crystallographic
From crystallography + -ic.