"I, a mewing, puling babe whose life was so young it was scarcely the flicker of a candle."
-A Witch Shall Be Born
mew.
[myo͞o]
VERB
mewing (present participle)
(of a cat or some kinds of bird) make a characteristic high-pitched crying noise:
synonyms: meow · mewl · cry
ORIGIN
Middle English: imitative.
mew.
[myo͞o]
VERB
mewing (present participle)
1.(especially of a trained hawk) molt.
2.confine (a trained hawk) to a cage or building at the time of molting.
ORIGIN
late Middle English: from Old French mue, from muer ‘to molt,’ from Latin mutare ‘to change.’
link › jameslafond.blogspot.com
I would have used the word "mewling" there, indicating a weak cry, and a bit more tending toward a human noise than "mew" ....