Really if I ever knew it existed, I've forgotten. But https://oratronik.de/atariage/TI_FORTH_Manual-2ndEd(LES).pdf says yes on page 14. General discussion at https://99er.net/tifaq2.html#TIFAQ011

(I used Wycove Forth in 40-column mode, though I have a dim memory of trying something like your 3x7 font...)