Allofams:

1 #96 *b-rəy ⪤ b-ris ⪤ rit ⪤ riːn DRAW / WRITE / COUNT
1a #2616 *b-rəy DRAW / MARK / BOUNDARY
1b #107 *b-ris DRAW / PICTURE
1c #110 *rit DRAW / BOUNDARY
1d #5774 *riːn SCRATCH / DRAW LINE

6.0 Verbs of Motion, of Manipulation, and of Production > 6.2 Action Verbs with Patient > 6.2.2 Assorted action verbs > 6.2.2.9 ? > 6.2.2.9.2 Draw

#110 PTB *rit DRAW / BOUNDARY

rn	analysis	lgid	reflex	gloss	gfn	language	grpid	grpno	grp	genetic	citation	srcabbr	srcid
515767	2616,107,110,m	2012	b-rəy\| ⪤ b-\|ris ⪤ rit ⪤ riːn	draw / write / count		*Tibeto-Burman	2	0.1	Tibeto-Burman (previously published reconstructions)	0	Matisoff 03 HPTB	JAM-HPTB	610
147604	m,110	685	du◦mrit	mark with an edge-tool, as around a log		Jingpho	37	1.7.3.1	Jingpho	1	Benedict 72 STC	STC	429
71621	m,110	685	džə◦rit	boundary, border		Jingpho	37	1.7.3.1	Jingpho	1	Benedict 72 STC	STC	429
71619	110	685	rit	fix, as a boundary		Jingpho	37	1.7.3.1	Jingpho	1	Benedict 72 STC	STC	429
4907	m,110	667	¹džə¹rit	boundary		Jingpho	37	1.7.3.1	Jingpho	1	Weidert 87 TBTo	AW-TBT	316
4906	110	667	¹rit	boundary		Jingpho	37	1.7.3.1	Jingpho	1	Weidert 87 TBTo	AW-TBT	316
147605	p,110	685	ə◦rit	dividing line between two paddy fields		Jingpho	37	1.7.3.1	Jingpho	1	Benedict 72 STC	STC	429
382125	110	1814	ʒit³¹	boundary line / demarcation line	n	Jingpho	37	1.7.3.1	Jingpho	1	Huang and Dai 92 TBL	TBL	0721.19
60325	m,p,110	1203	rəga də◦rit	boundary		Anong	38	4	Nungic	1	LaPolla 87	RJL-DPTB	181
71622	m,p,110	1205	rəga də◦rit	boundary		Anong	38	4	Nungic	1	Benedict 72 STC	STC	429
382126	p,110	1816	dɯ³¹ɹit⁵⁵	boundary line / demarcation line	n	Dulong	38	4	Nungic	1	Huang and Dai 92 TBL	TBL	0721.20

Chinese comparandum

聿 OC *bi̯wət GSR #502a ‘writing pencil’; B & S 2011: *m‑rut {*[m‑]rut}; Mand. ỳù.
筆 OC *pli̯ət, GSR #502d ‘writing pencil’; B & S 2011: *p.rut {p.[r]ut}; Mand. bǐ.

Note: Cf. #107 PTB *b‑ris DRAW / PICTURE. In Chinese, 筆 bǐ has the additional sense ‘write (v.)’.

Also cf. 理 lǐ, comparandum for #2616 PTB *b‑rəy DRAW / MARK / BOUNDARY.