English
interferogram
From interfere + -o- + -gram.
Formed from interfere + -o- + -gram
Proto-Indo-European *bʰerH- ‘to pierce, strike’
…
Proto-Italic *ferjō
Latin feriō ‘to hit, to strike, to smite, to beat, to…’
Old French ferir ‘to hit, to strike’
Old French entreferir ‘to hit one another’
English interfere
Today it means
noun An image produced by using an interferometer.
Language periods are conventional ranges, not dates for this word.
Etymograph / interferogram