Trosfa, n. a turning place
Trosfynediad, n. metabasis
Trosgludo, v. to transport
Trosglwyddiad, n. a transferring; a passage, a voyage
Trosglwyddo, v. to transfer
Trosglwyddol, a. transferring
Trosi, v. to turn out; to move onward; to move about
Trosedd, prep. over; beyond
Trosodd, adv. on the other side
Trosof, trosot, trosti, trosom, trosoch, trostynt, pron. prep. see TROS