Etymograph

English

fistulogram

From fistula + -o- + -gram.

Formed from fistula + -o- + -gram

Latin fistula ‘pipe, ulcer, catheter’

English fistula

Today it means

noun An X-ray taken of a fistula after a contrast medium has been injected.

Language periods are conventional ranges, not dates for this word.

Etymograph / fistulogram