My Suggestions

ũmagara1

v.i. · class 14 · become exceedingly

  1. to be, become, exceedingly hard, dry; stiffen; be, become, rigid; be stunted because of lack of nourishment

Etymology: Intensive form of ũma (to harden). To become exceedingly hard or dry.

umagara2

v.i. · leave and

  1. to leave and go somewhere (to work, to the store, etc.)

Etymology: Distinct word from ũmagara despite similar spelling.