An Etymological Dictionary of Astronomy and Astrophysics

Lying or extending crosswise or at right angles to something.
→ transverse velocity; → transverse wave.

Etymology (EN): From L. transversus “turned or directed across,” p.p. of transvertere “to turn across,” from → trans-

• vertere “to turn,” cognate with Pers.
  gardidan “to turn, to change;” Mid.Pers. vartitan; Av. varət- “to turn, revolve;” Skt. vrt- “to turn, roll,” vartate “it turns round, rolls;” O.H.G. werden “to become;” PIE base *wer- “to turn, bend.”

Etymology (PE): Tarâgozar, from tarâ-→ trans- + gozar “passage, transit, passing,” from gozaštan “to pass, cross, transit,” variant gozâštan “to put, to place, let, allow;” Mid.Pers. widardan, widâštan “to pass, to let pass (by);” O.Pers. vitar- “to pass across,” viyatarayam “I put across;” Av. vi-tar- “to pass across,” from vi- “apart, away from” (O.Pers. viy- “apart, away;” Av. vi- “apart, away;” cf. Skt. vi- “apart, asunder, away, out;” L. vitare “to avoid, turn aside”) + O.Pers./Av. tar- “to cross over;” → trans-.