Where does “sacrum legere” come from?

sacrum legere (Latin) comes from Latin sacrum, from Latin sacer, from Proto-Indo-European sh₂krós, from Proto-Indo-European seh₂k- — sacred.

Ancestry of “sacrum legere”, step by step

StepLanguageWordMeaning
1LatinsacrumA holy or sacred object, e.g. vessel, statue,...
2Latinsacersacred, holy, dedicated (to a divinity), consecrated, hallowed
3Proto-Indo-Europeansh₂króssacred
4Proto-Indo-Europeanseh₂k-sacred
Every word from Proto-Indo-European seh₂k- →Every word from Proto-Indo-European sh₂krós →Every word from Latin sacer →