Where does “bitíreolaíocht” come from?

bitíreolaíocht (Irish) comes from Irish tíreolaíocht, from Irish eolaíocht, from Irish -acht, from Old Irish -acht, from Proto-Celtic -axtā, from Proto-Celtic axtā.

bitíreolaíocht (Irish): biogeography

Definitions

biogeography

Ancestry of “bitíreolaíocht”, step by step

Step	Language	Word	Meaning
1	Irish	tíreolaíocht	geography
2	Irish	eolaíocht	science; -logy
3	Irish	-acht	Nominal suffix, used to form abstract ideas or...
4	Old Irish	-acht	-ness, -hood; forms abstract nouns
5	Proto-Celtic	-axtā	—
6	Proto-Celtic	axtā	—

Every word from Proto-Celtic axtā →Every word from Irish -acht →Every word from Irish eolaíocht →