Strong’s Hebrew
H7370 — rachash
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רָחַשׁ
rachash — pronounced raw-khash
a primitive root; to gush:--indite.
1 occurrence in the KJV.
Psalms 45:1
My heart is inditing a good matter: I speak of the things which I have made touching the king: my tongue is the pen of a ready writer.