goniometry

English

Etymology tree

Proto-Indo-European *ǵónu

Proto-Hellenic *gónu

Proto-Hellenic *-ía

Proto-Hellenic *gonwía

Ancient Greek γωνίᾱ (gōníā)der.

English gonio-

Proto-Indo-European *meh₁-

Proto-Indo-European *-tḗr

Proto-Indo-European *-trom

Proto-Hellenic *-tron

Ancient Greek -τρον (-tron)

Ancient Greek μέτρον (métron)

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-i-eh₂

Proto-Hellenic *-íā

Ancient Greek -ῐ́ᾱ (-ĭ́ā)

Ancient Greek -μετρία (-metría)der.

Latin -metriader.

Old French -métrieder.

English -metry

English goniometry

From gonio- + -metry.

goniometry (countable and uncountable, plural goniometries)