The Collaborative International Dictionary of English v.0.48:
Proffer \Prof"fer\, v. t. [imp. & p. p. Proffered; p. pr. &
vb. n. Proffering.] [OE. profren, proferen, F. prof['e]rer,
fr. L. proferre to bring forth or forward, to offer; pro
forward + ferre to bring. See Bear to produce.]
1. To offer for acceptance; to propose to give; to make a
tender of; as, to proffer a gift; to proffer services; to
proffer friendship. --Shak.
I reck not what wrong that thou me profre.
2. To essay or attempt of one's own accord; to undertake, or
propose to undertake. [R.] --Milton.