Strong's #1961: hayah (pronounced haw-yaw)
a primitive root (compare 1933); to exist, i.e. be or become, come to pass (always emphatic, and not a mere copula or auxiliary):--beacon, X altogether, be(-come), accomplished, committed, like), break, cause, come (to pass), do, faint, fall, + follow, happen, X have, last, pertain, quit (one-)self, require, X use.
Brown-Driver-Briggs Hebrew Lexicon:
hâyâh
1) to be, become, come to pass, exist, happen, fall out
1a) (Qal)
1a1) -----
1a1a) to happen, fall out, occur, take place, come about, come to pass
1a1b) to come about, come to pass
1a2) to come into being, become
1a2a) to arise, appear, come
1a2b) to become
1a2b1) to become
1a2b2) to become like
1a2b3) to be instituted, be established
1a3) to be
1a3a) to exist, be in existence
1a3b) to abide, remain, continue (with word of place or time)
1a3c) to stand, lie, be in, be at, be situated (with word of locality)
1a3d) to accompany, be with
1b) (Niphal)
1b1) to occur, come to pass, be done, be brought about
1b2) to be done, be finished, be gone
Part of Speech: verb
Relation: a primitive root [compare H1933]
Usage:
This word is used 3502 times:
Malachi 4:1: "yea, and all that do wickedly, shall be stubble: and the day that cometh shall burn them up,"
Malachi 4:3: "And ye shall tread down for they shall be ashes under the soles of your feet"