←
Old English þorh (inherited)
←
Old English þurh (mention)
←
Old English þerh (mention)
←
Old English þærh (mention)
←
Old English þrūh (inherited)
←
Middle English thrugh (inherited)
←
Middle English thruch (mention)
←
Middle English thruh (mention)
←
Middle English thurgh (mention)
←
Middle English thurh (mention)
←
Middle English thrugh (inherited)
←
Middle English þrouȝ (mention)
←
Middle English throgh (mention)
←
West Frisian troch (cognate)
←
Proto-Germanic *þurhw (inherited)
←
Proto-Germanic *þrūhs (inherited)
←
Proto-Indo-European *terh₂- (root)
←
Proto-Indo-European *terh₂- (mention)
←
Proto-Indo-European *-kʷe (mention)
←
Proto-Indo-European *terh₃u- (derived)
→
Old English þyrel (link)
→
Scottish Gaelic thar (mention)
→
Japanese スルー (borrowed)
→
Luxembourgish duerch (cognate)
→
Norwegian Nynorsk tro (cognate)
→
Pennsylvania German darrich (cognate)
→
Sanskrit तिरस् (cognate)
→
Sanskrit तरति (cognate)