Strong G6988ἑβδομάς

a period of seven

Transliteration
hebdomas
Morphology
Greek Noun (Feminine)

Definition

1. the number seven or a number of seven , [variant datesAnthology Palantina
2. a period of seven days, a week (Aristotle Philosopher): also of seven years, a septenary , (Aristotle Philosopher) (ML)