Etymology
Advertisement

seventh (adj., n.)

"next in order after the sixth; an ordinal numeral; being one of seven equal parts into which a whole is regarded as divided;" c. 1300, from seven + -th (1), replacing earlier sevende, seveth, from Old English seofunda (Anglian, Northumbrian), seofoþa (West Saxon), from Proto-Germanic *sebundon (source also of Old Norse sjaundi, Old Saxon sivondo, Old High German sibunto, German siebente, siebte). The music note sense is from 1590s.

Advertisement
Advertisement
Definitions of seventh
1
seventh (n.)
position seven in a countable series of things;
seventh (n.)
one part in seven equal parts;
Synonyms: one-seventh
seventh (n.)
the musical interval between one note and another seven notes away from it;
2
seventh (adj.)
coming next after the sixth and just before the eighth in position;
Synonyms: th
From wordnet.princeton.edu