אֶלֶף (ʾelep) is
a Hebrew noun
meaning thousand. It appears
507 times
in 25 books of the Hebrew Bible
(Strong's H505).
Same Hebrew root (TWOT 109a)
Range of meaning (TWOT 109a)thousand
Full entry: Brown-Driver-Briggs and Strong's
אֶ֫לֶףnoun, masculine: thousand
Strong's H505אֶלֶף: hence (the ox's head being the first letter of the alphabet, and this eventually used as a numeral) a thousand KJV:thousand.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 109: אָלַףʾālap — thousand; make a thousandfold; bring forth thousands