Where does “зубрило” come from?

зубрило (Ukrainian) comes from Ukrainian -ло, from Proto-Slavic -dlo, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

зубрило (Ukrainian): rote memorizer, crammer someone who studies mechanically and learns by rote memorization

Definitions

  1. rote memorizer, crammer someone who studies mechanically and learns by rote memorization

Ancestry of “зубрило”, step by step

StepLanguageWordMeaning
1Ukrainian-лоforms neuter nouns
2Proto-Slavic-dloForms nouns denoting a tool or instrument
3Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...
Every word from Proto-Indo-European -dʰlom →Every word from Proto-Slavic -dlo →Every word from Ukrainian -ло →