〜ことから means "from the fact that" or "because" — explains the origin or reason for a name, reputation, or conclusion.
Origin of names - It''s called X because...
Basis for conclusion - From the fact that...
Often used to explain etymology or reasoning.
See examples below for varied real-world usage.
Plain form + ことから
Common patterns:
- ...ことから〜と呼ばれている (called X because...)
- ...ことから〜と言える (can say X because...)
From the fact that he lied, he lost trust.
Because this shop is cheap and delicious, it's popular.
In everyday context, From the fact that he lied, he lost trust.
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