[This shlOkam is also a popular prelude to several discourses 
 (upanyAsams) wishing that the upanyAsakar stream forth material
 of the highest quality to the listeners]

    dishantu me deva ! sadA tvadIyAH
         dayAtara~ngAnucarAH kaTAkShAH
    shrotreShu puMsAm amR^itaM kSharantIM
         sarasvatIM saMshrita-kAmadhenum 

O Lord! May your glances/graces, that are a continuous wave of 
compassion, always grant to me the (gift of) speech/language 
that streams forth nectar in the ears of humans just like
a Kamadhenu cow grants seekers' wishes.
==
deva! = O Lord
dayA = mercy, compassion
tara~ngaH = wave
anucarAH = continuous, following
tvadIyAH kaTAkShAH = your glances, side-looks
puMsAm = of humans
shrotram = ear; shrotreShu = in the ears
amR^itam = nectar
kSharantI = something that is streaming forth, emitting
saMshrita = seeker, follower
kAmadhenum = (like) the Kamadhenu cow that grants people's wishes
sarasvatI = speech, language
sadA = always
me = to me
dishantu = may (they) bestow upon
==== anvayaH (prosaical transformation)
deva! dayA-tara~nga-anucarAH tvadIyAH
kaTAkShAH puMsAM shrotreShu amR^itaM 
kSharantIM saMshrita-kAmadhenuM sarasvatIM  
sadA me dishantu
==== Roots (dhAtavaH) and related words
[day, 1 A, dayate, to feel pity, compassion]
[tR^ii, 1 P, tarati, to cross; sail]
[shru, 1 P, shR^iNoti, to hear, listen]
[kShar, 1 P, kSharati, to flow, glide; pour; ooze]
[dish, 6 U, dishati/te, point out, show; grant, bestow upon]