Strong's Concordance
Original word: עָצַם
Transliteration: atsam
Definition (short): bones
Definition (full): to bind fast, close, powerful, numerous, to crunch the bones
Strong's Exhaustive Concordance
A primitive root; to bind fast, i.e. Close (the eyes); intransitively, to be (causatively, make) powerful or numerous; denominatively (from etsem) to crunch the bones -- break the bones, close, be great, be increased, be (wax) mighty(-ier), be more, shut, be(-come, make) strong(-er).
see HEBREW etsem
References
KJV:
And Abimelech said unto Isaac, Go from us; for thou art much mightier than we.
NASB:
Then Abimelech said to Isaac, "Go away from us, for you are too powerful for us."
KJV:
And the children of Israel were fruitful, and increased abundantly, and multiplied, and waxed exceeding mighty; and the land was filled with them.
NASB:
But the sons of Israel were fruitful and increased greatly, and multiplied, and became exceedingly mighty, so that the land was filled with them.