Where does “подгрејати” come from?

подгрејати (Serbo-Croatian) comes from Serbo-Croatian под, from Proto-Slavic pǫdъ, from Old Norse pund, from Proto-Germanic pundą, from Latin pondus, from Proto-Italic pondos, from Proto-Indo-European (s)pénd-os, from Proto-Indo-European (s)pend- — to stretch.

подгрејати (Serbo-Croatian): to warm, heat; to revive, invigorate, stir up

Definitions

  1. to warm, heat; to revive, invigorate, stir up

Ancestry of “подгрејати”, step by step

подгрејати traces back through two separate lines of ancestry.

via Serbo-Croatian под

StepLanguageWordMeaning
1Serbo-Croatianподfloor; ground; under, beneath
2Proto-Slavicpǫdъunder, below, beneath (stationary)
3Old Norsepund
4Proto-Germanicpundąpound
5Latinpondusweight; weight of a pound; heaviness, weight of a...
6Proto-Italicpondos
7Proto-Indo-European(s)pénd-os
8Proto-Indo-European(s)pend-to stretch

via Serbo-Croatian грејати

StepLanguageWordMeaning
1Serbo-Croatianгрејатиto heat, warm; to warm oneself
2Proto-Slavicgrětito warm, to heat; to shine
3Proto-Indo-Europeangʷʰer-warm, hot
4Proto-Indo-Europeangʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr
Every word from Proto-Indo-European (s)pend-Every word from Proto-Indo-European (s)pénd-osEvery word from Proto-Italic pondos