English
etaloning
From etalon + -ing.
Formed from etalon + -ing
Proto-Indo-European *stel- ‘to put, place’
…
Frankish *stalō
Old French estalon ‘stallion (horse)’
Middle French étalon
French étalon ‘measuring gauge, standard’
English etalon
Today it means
noun A fault that develops in thin charge-coupled devices when they behave as etalons
Language periods are conventional ranges, not dates for this word.
Etymograph / etaloning