Where does “pligrandiĝi” come from?

pligrandiĝi (Esperanto) comes from Esperanto granda, from French grand, from Middle French grand, from Old French grant, from Old French -ur, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs — Creates action nouns or result nouns from verbs;...

pligrandiĝi (Esperanto): to increase, become larger

Definitions

  1. to increase, become larger

Ancestry of “pligrandiĝi”, step by step

pligrandiĝi traces back through two separate lines of ancestry.

via Esperanto granda

StepLanguageWordMeaning
1Esperantograndabig, large
2Frenchgrandbig, great, grand; tall; Great, an honorific...
3Middle Frenchgrandbig; large
4Old Frenchgrantbig, large
5Old French-ur-er, used for form agent nouns
6Latin-orused to form a third-declension masculine...
7Proto-Italic-ōsCreates masculine action nouns or result nouns...
8Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
9Proto-Indo-European-oss
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Esperanto pli

StepLanguageWordMeaning
1Esperantoplimore
2Frenchplusmore, -er; more; the most, -est
3Old Frenchplusmore than
4Latinplūsmore; more of
5Old Latinplous
6Proto-Indo-Europeanploh₁is-
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Old French -ur