Vine's Expository Dictionary: View Entry
TDNT Reference: 2:576,240
†ἐπαγγέλλω epangéllō, ep-ang-el'-lo; from G1909 and the base of G32; to announce upon (reflexively), i.e. (by implication) to engage to do something, to assert something respecting oneself:—profess, (make) promise.
The KJV translates Strong's G1861 in the following manner: promise (11x), profess (2x), make promise (2x).
to announce that one is about to do or furnish something
to promise (of one's own accord) to engage voluntarily
to profess
an art, to profess one's skill in something
Strong's Number G1861 matches the Greek ἐπαγγέλλομαι (epangellomai),
which occurs 15 times in 15 verses
in the TR Greek.