The Collaborative International Dictionary of English v.0.48:
Yearn \Yearn\ (y[~e]rn), v. t. [imp. & p. p. Yearned; p. pr. &
vb. n. Yearning.] [Also earn, ern; probably a corruption of
OE. ermen to grieve, AS. ierman, yrman, or geierman, geyrman,
fr. earm wretched, poor; akin to D. & G. arm, Icel. armr,
Goth. arms. The y- in English is perhaps due to the AS. ge
To pain; to grieve; to vex. [Obs.] "She laments, sir, for it,
that it would yearn your heart to see it." --Shak.
It yearns me not if men my garments wear. --Shak.