Comparative evidence

2.drem

• PSl. *drě̄màti ‘doze’, ‘slumber’ (EDSIL: 117)

• OCS drěmanije ‘slumber’ (νυσταγμός), cf. Ps. 131, 4: ašte dami sonъ očima moima, i věkoma moima drěmanie (Psalterium Sinaiticum).

References

EDSIL = Derksen, Rick. 2008. Etymological dictionary of the Slavic inherited lexicon. Leiden: Brill.