The story
Doublet of decade and dekad. By surface analysis, dec- + -ad.
Etymology from Wiktionary, CC BY-SA 4.0.
decad
Today it means: A group of ten notes from which the consonant triads may be constructed Full definition →
Today it means: A group of ten notes from which the consonant triads may be constructed Full definition →
Doublet of decade and dekad. By surface analysis, dec- + -ad.
Etymology from Wiktionary, CC BY-SA 4.0.