Greek word
tynchánō
τυγχάνω
What it means
akin to the base of tíktō through the idea of effecting
akin to the base of tíktō (τίκτω) through the idea of effecting; properly, to affect; or (specially), to hit or light upon (as a mark to be reached), i.e. (transitively) to attain or secure an object or end, or (intransitively) to happen (as if meeting with); but in the latter application only impersonal (with ei (εἰ)), i.e. perchance; or (present participle) as adjective, usual (as if commonly met with, with ou (οὐ), extraordinary), neuter (as adverb) perhaps; or (with another verb) as adverb, by accident (as it were)
Where it comes from
probably for an obsolete (for which the middle voice of another alternate (to make ready or bring to pass) is used in certain tenses