רָגַל
From LSJ
ὃ γὰρ βούλεται, τοῦθ' ἕκαστος καὶ οἴεται → what he wishes to be true, each person also believes to be true | what he wishes, each person also believes
English (Strong)
a primitive root; to walk along; but only in specifically, applications, to reconnoiter, to be a tale-bearer (i.e. slander); also (as denominative from רָ֫גֶל) to lead about: backbite, search, slander, (e-)spy (out), teach to go, view.