dia- / di-
through, across, apart
Greek · dia (διά)

Greek dia means through, across, or apart. It marks passing through something (diameter, a line measured through a circle) or complete knowing (diagnose, to know through and through).
Memory trick
dia- is a diagonal line: it cuts through the middle and goes across.
Words from this root
- diameter (dia + meter) — a line measured through a circleव्यास
- diagram (dia + gram) — a drawing that explains somethingचित्र, आरेख
- dialogue (dia + logue) — talk between two or more peopleसंवाद
- diagnose (dia + gnose) — to identify an illness by examiningरोग पहचानना
- diagnosis (dia + gnosis) — the finding of what causes an illnessनिदान
- diagonal (dia + gonal) — a line across from corner to cornerविकर्ण, तिरछी रेखा
- dialect (dia + lect) — a regional form of a languageबोली
- diaphragm (dia + phragm) — a muscle that separates chest and bellyडायफ़्राम, मध्यपट
- dialysis (dia + lysis) — cleaning blood by passing it through a machineडायलिसिस
- diabetes (dia + betes) — a disease where sugar levels stay highमधुमेह
- diaspora (dia + spora) — people scattered away from their homelandप्रवासी समुदाय