Vine's Expository Dictionary: View Entry
πλατύνω platýnō, plat-oo'-no; from G4116; to widen (literally or figuratively):—make broad, enlarge.
The KJV translates Strong's G4115 in the following manner: enlarge (2x), make broad (1x).
to make broad, enlarge
be enlarged in heart, i.e. to welcome and embrace you in love
Strong's Number G4115 matches the Greek πλατύνω (platynō),
which occurs 3 times in 3 verses
in the TR Greek.