A lodestar is a relatively bright, easily found star that is used to find direction, particularly with reference to Polaris, which during the 20th and 21st centuries indicates the direction to the north within a fraction of a degree.

The component lode is etymologically related to the verb to lead; lodestars serve as a guide to navigators.

Find the right guide

To rebehold the stars

Lo duca e io per quel cammino ascoso intrammo a ritornar nel chiaro mondo; e sanza cura aver d’alcun riposo,
The Guide and I into that hidden road Now entered, to return to the bright world; And without care of having any rest

salimmo sù, el primo e io secondo, tanto ch’i’ vidi de le cose belle che porta ‘l ciel, per un pertugio tondo.
We mounted up, he first and I the second, Till I beheld through a round aperture Some of the beauteous things that Heaven doth bear;

E quindi uscimmo a riveder le stelle.
Thence we came forth to rebehold the stars.

[INFERNO CANTO 34 Dante and Longfellow Tr.]