Turkish pronunciation
hwʌt ôn ırthPronunciation
/ˈhwət ˈôn ˈərᴛʜ/ /ˈhwʌt ˈɔːn ˈɜrθ/
Etymology
[ 'hwät, 'hw&t, 'wä ] (pronoun.) before 12th century. Middle English, from Old English hwæt, neuter of hwA who; more at WHO.Videos
... By the time Earth emerges just over four and a half billion years ago, ...
... has been in the making for as long as humans have walked the Earth. ...