Strong's #1887: he' (pronounced hay)
a primitive particle; lo!:--behold, lo.
Brown-Driver-Briggs Hebrew Lexicon:
hê'
1) behold!, lo!
Part of Speech: interjection
Relation: a primitive particle
Usage:
This word is used 2 times:
Genesis 47:23: "you this day and your land for Pharaoh: lo, here is seed for you, and ye shall sow the land."
Ezekiel 16:43: "of thy youth, but hast fretted me in all these things; behold, therefore I also will recompense"