Quenya 

asalastë

easily heard

asalastë (*aþa-) adj. "easily heard" (PE17:148)

asalastë

adjective. easily heard

asa

asa

asa (þ) prefix denoting easiness in doing, cf. asalastë. The prefix often appears in reduced form as- before p, t, c, q, s (PE17:148), cf. ascenë.

lasta-

listen

lasta- vb. "listen", also lasta adj. "listening, hearing" (LAS2, PE17:56); cf. adj. asalastë (*aþa-) adj. "easily heard" (PE17:148)