feminine noun, nominative singular with iti (quotation particle)
Analysis. uddhumāyikā (feminine noun, 'bullfrog') + iti (quotation/naming particle 'thus, so-called'). The word itself is a derivative feminine form built on uddhumāyika, which denotes the creature or the action of swelling.
Etymology. ud + √dhum 'to blow up', with the feminine action noun suffix -āyikā. √dhum is cognate with Sanskrit dhmāti 'smokes, blows', ultimately from the same Indo-European root as English 'fume' and 'thump'. The prefix ud- (up, out) intensifies the root's sense of inflating or puffing outward—the bullfrog's characteristic behavior when threatened.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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