| 1 | Latin | sapere | present active infinitive of sapiō; be wise, be... |
| 2 | Latin | sapio | I taste of, taste like, smack of, have a flavour... |
| 3 | Proto-Italic | sapiō | taste; discern, can tell apart, know |
| 4 | Proto-Indo-European | sh₁p-i- | to notice |
| 5 | Proto-Indo-European | sep- | to taste, to try out |