masc nom sg of byāpāda (noun)
Analysis. Compound of byā (< vi-ā) + √pad, "going away in different directions" or "deviation": ill-will as a turning-away from goodwill (mettā).
Etymology. vi-ā-pad: the prefix vi- (apart, asunder) combined with ā- (toward, reversing) and √pad (go, fall). The spatial image is of going astray or deviating from the right path—compare Sanskrit vyāpad. Related to English 'pad' (path) through shared Indo-European roots.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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