Etymology

From Proto-Slavic *plьvati, from Proto-Indo-European *(s)ptyēw- ‎(“to spit, vomit”). Akin to Ancient Greek πτύω ‎(ptúō), Latin spuō, Old English spīwan (whence modern English spew), Old Armenian թուք ‎(tʿukʿ), Sanskrit ष्ठीवति ‎(ṣṭhīvati).