Opeti
Opeti，[unless we here deal with a very old misspelling for oseti we have to consider it a secondary derivation from opiya in Caus．sense，i e．Caus．fr．upa + i．Trenckner，Notes 77，78 offers an etym．of ā + vapati，thus opiya would be *āvupiya，a risky conclusion，which besides being discrepant in meaning （āvapati = to distribute） necessitates der．of opiya fr．opati （*āvapati） instead of vice versā．There is no other instance of *āva being contracted to o．Trenckner then puts opiya = ūpiya in tadūpiya （“conform with this”，see ta° Ia），which is however a direct derivation from upa = upaka，upiya，of which a superl．formation is upamā （“likeness”）．Trenckner’s expln． of ūpiya as der．fr．ā + vap does not fit in with its meaning] to make go into （c．Loc．），to deposit，receive （syn．with osāpeti） S．I，236 （SA na ．．pakkhipanti） = Th．2，283 = J．V，252 （T．upeti）； in which Th．2，283 has oseti （ThA．216，with expln． of oseti = ṭhapeti on p．219）．-- aor．opi J．IV，457 （ukkhipi gloss）； VI，185 （= pakkhipi gloss）．‹-› ger．opitvā （opetvā?） J．IV，457 （gloss khipetvā）．（Page 168）