sandhi contraction: tiṭṭhatu + esā
Analysis. tiṭṭhatu (3rd person singular imperative of tiṭṭhati, 'let [it] stand') + esā (feminine nominative singular of eta, 'that'), contracted in sandhi: the -u of tiṭṭhatu drops before the vowel-initial esā, yielding tiṭṭhat-esā, then resyllabified as tiṭṭhatesā. An idiom meaning 'let that [matter] stand'—dismissal or resignation.
Etymology. tiṭṭhati is an Indic iterative-intensive (geminate) form of √sthā 'stand' (Sanskrit sthā-, cognates: English stand, German stehen, Latin stāre). The contraction shows Pali's sandhi rules applying within the phrase.
Meanings from the Digital Pāḷi Dictionary; morphology and etymology by Claude.
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