Where does “連用形” come from?

連用形 (Japanese) comes from Japanese 見る, from Japanese 夢, from Old Japanese 夢, from Japanese 目, from Middle Chinese 目.

連用形 (Japanese): an inflectional category: the continuative or...

Definitions

連用形 traces back through 3 separate lines of ancestry.

Step	Language	Word	Meaning
1	Japanese	見る	to see, to watch, to observe, to look at...
2	Japanese	夢	a dream; a vision; leaving reality to the state...
3	Old Japanese	夢	a dream
4	Japanese	目	an order in biology: smaller than a class, bigger...
5	Middle Chinese	目	—

Step	Language	Word	Meaning
1	Japanese	退く	draw back, recede; lessen; retire
2	Japanese	後	the back, the rear, behind; later, afterwards,...
3	Japanese	跡	a track or trace; evidence of something moving,...
4	Japanese	足	foot; 脚 leg
5	Old Japanese	足	—

Step	Language	Word	Meaning
1	Japanese	志す	aspire, aim, have one's sights on
2	Japanese	心	mind, heart, spirit, soul; thoughts, ideas;...
3	Old Japanese	心	heart, mind, spirit; emotion, feeling; heart,...
4	Proto-Japonic	*kəkərə	heart