What things you discovered on your own, that is actually already known and named for a long time? For example, you observe a phenomenon, you write it down, but didn’t look it up further for lack of words. Years later, you chance upon the exact same thing on Wikipedia.
Germanic, Greek, Latin, Romance, Slavic, Indic; all these languages ultimately are descendants of an ancestral language linguists call the Proto-Indo-European.
english goose == German gans == sanskrit gansa == malay angsa
Yup!! For some reason I never situated Russian and Ukrainian in the family tree lmao