certainly
Found 31 times in the King James Bible
H3045
Hebrew
G3689
Greek
English Definition
to know (properly, to ascertain by seeing); used in a great variety of senses, figuratively, literally, euphemistically and inferentially (including observation, care, recognition; and causatively, instruction, designation, punishment, etc.)
"Certainly" translates different words in the original languages. In the Old Testament (Hebrew) it corresponds to H3045, while in the New Testament (Greek) it corresponds to G3689. Context determines which original word is being used.