它
tā
it (pronoun for an animal)
roof (宀) + snake/creature (匕) = that creature over there
The original character depicted a snake sheltering under a roof — a creature living in one's home but kept at arm's length, neither person nor thing. Over time it was repurposed as the neutral third-person pronoun for animals and objects.
匕Originally depicted a coiled snakeSemantic
宀RoofSemantic