English
anechoically
From anechoic + -ally.
Formed from anechoic + -ally
Proto-Indo-European *sweh₂gʰ- ‘to sound’
…
Ancient Greek ἠχώ ‘echo’
Latin echo ‘repercussion of sound, echo’
Medieval Latin ecco
Middle English ecco
English anechoic
Today it means
adv In an anechoic manner.
Language periods are conventional ranges, not dates for this word.
Etymograph / anechoically