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From Sanskrit उत्तम (uttama) + उत्तम (uttama) + -ము (-mu).
ఉత్తమోత్తమము • (uttamōttamamu)
- Superlative, best, excellent.
"ఉత్తమము" in Charles Philip Brown (1903) A Telugu-English dictionary, Madras: Promoting Christian Knowledge, page 154