- Original: τοί - Transliteration: Toi - Phonetic: toy - Definition: 1. certainly, truly - Origin: probably for the dative case of G3588 - TDNT entry: None - Part(s) of speech: - Strong's: Probably for the dative case of G3588 ; an enclitic particle of asseveration by way of contrast; in sooth: - [used only with other particles in compounds as G2544 G3305 G5105 G5106 etc.]