A noun for “✱(an act of) seeking” implied by minasurië “enquiry”, as suggested by Carl Hostetter (VT42/29-30 note #39).
Quenya
surië
seeking
þurië
noun. *(an act of) seeking
surië Reconstructed
noun. *(an act of) seeking
mánacestië
noun. intercession, (lit.) boon-seeking
minasurie
enquiry
minasurie noun "enquiry" (Þ; the word is actually cited as minaþurie) in Ondonóre Nómesseron Minaþurie "Enquiry into the Place-names of Gondor". The editor tentatively analyzes minaþurie as #mina "into" + #þurie (#surië) noun "seeking" (VT42:17, 30-31).
minaþurië
noun. enquiry
#surië (þ), possibly a noun *"seeking"; see minasurië.