G31. aggelia, ang-el-ee’-ah
from aggelos; an announcement, i.e. (by implication) precept:–message.
TERM BIBLE SEARCH
1Jo 3:11 For /hoti/ this /houtos/ is /esti/ the message /aggelia/ that /hos/ ye heard /akouo/ from /apo/ the beginning /arche/, that /hina/ we should love /agapao/ one another /allelon/. {message: or, commandment}
(KJV)